400928676 has 24 divisors (see below), whose sum is σ = 953152704. Its totient is φ = 131121120.

The previous prime is 400928669. The next prime is 400928701. The reversal of 400928676 is 676829004.

It is a super-2 number, since 2×400928676² = 321487606478225952, which contains 22 as substring.

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, 314560 + ... + 315831.

It is an arithmetic number, because the mean of its divisors is an integer number (39714696).

Almost surely, 2^400928676 is an apocalyptic number.

It is an amenable number.

400928676 is an abundant number, since it is smaller than the sum of its proper divisors (552224028).

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

400928676 is a wasteful number, since it uses less digits than its factorization.

400928676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630451 (or 630449 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 400928676 is about 20023.2034400093. The cubic root of 400928676 is about 737.3760709506.

The spelling of 400928676 in words is "four hundred million, nine hundred twenty-eight thousand, six hundred seventy-six".