3656

3656 is a natural number that follows 3655 and precedes 3657. It is even and can be factored into 2^3 × 457, where 457 is prime. Accordingly, its positive divisors are 1, 2, 4, 8, 457, 914, 1828, and 3656.

In other bases, 3656 is written as 111001001000 in binary, 0xE48 in hexadecimal, and 0o7110 in octal. In Roman numerals it is MMMDCLVI.

The digit sum is 20; since 20 is not a multiple of 3, 3656 is not divisible by 3. It is divisible by 8 (3656/8 = 457) and by 457; thus it is composite with eight divisors.

As a year, 3656 would be a leap year in the Gregorian calendar, since 3656 is divisible by 4 and not a century year.