392
392 is the ISO 3166-1 numeric country code for Japan.
- Even
- Composite
Where 392 fits
Why 392 is special
Japan's numeric code appears on every international payment and customs declaration involving the country, independently of whichever script the document is written in.
392 is part of
Factors & digit properties
- Divisors (12)
- 1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
- Prime factorisation
- 2^3 × 7^2
- Digit sum
- 14
- Digital root
- 5
Representations
- Decimal
- 392
- Binary
- 110001000
- Octal
- 610
- Hexadecimal
- 188
- Roman numeral
- CCCXCII
- Scientific notation
- 3.920 × 10^2
Other mathematical patterns
- Abundant number
- Happy number
- Powerful number
- Harshad (Niven) number
Related numbers & connections
Japan's ISO numeric code and calling code. Both appear on the same customs and payment documents, serving different systems within them.
View 81 →Other connections
- is associated with81
why?
Strength 0.50, confidence "high".
Geography
392 is Japan's ISO numeric code. Its use in payment and customs messaging is precisely because the identifier does not depend on a Latin abbreviation.
DocumentedGeographyGeography: Japan
Common questions
Is 392 a prime number?
No, 392 is not prime.
What are the factors of 392?
The factors of 392 are 1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392.
What is 392 in Roman numerals?
392 in Roman numerals is CCCXCII.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026