400927056 has 40 divisors (see below), whose sum is σ = 1090242720. Its totient is φ = 126608256.

The previous prime is 400927049. The next prime is 400927063. The reversal of 400927056 is 650729004.

It is an interprime number because it is at equal distance from previous prime (400927049) and next prime (400927063).

It is a super-3 number, since 3×400927056³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218895 + ... + 220718.

It is an arithmetic number, because the mean of its divisors is an integer number (27256068).

Almost surely, 2^400927056 is an apocalyptic number.

It is an amenable number.

400927056 is an abundant number, since it is smaller than the sum of its proper divisors (689315664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400927056 is a wasteful number, since it uses less digits than its factorization.

400927056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439643 (or 439637 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 400927056 is about 20023.1629869009. The cubic root of 400927056 is about 737.3750777974.

The spelling of 400927056 in words is "four hundred million, nine hundred twenty-seven thousand, fifty-six".