402256936 has 32 divisors (see below), whose sum is σ = 799948800. Its totient is φ = 189224640.

The previous prime is 402256919. The next prime is 402256957. The reversal of 402256936 is 639652204.

It is a junction number, because it is equal to n+sod(n) for n = 402256895 and 402256904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6696 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (24998400).

Almost surely, 2^402256936 is an apocalyptic number.

402256936 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

402256936 is a deficient number, since it is larger than the sum of its proper divisors (397691864).

402256936 is a wasteful number, since it uses less digits than its factorization.

402256936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35929 (or 35925 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 402256936 is about 20056.3440337465. The cubic root of 402256936 is about 738.1894720902.

The spelling of 402256936 in words is "four hundred two million, two hundred fifty-six thousand, nine hundred thirty-six".