400932412 has 12 divisors (see below), whose sum is σ = 732137616. Its totient is φ = 191750240.

The previous prime is 400932409. The next prime is 400932449. The reversal of 400932412 is 214239004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178889 + ... + 2179072.

It is an arithmetic number, because the mean of its divisors is an integer number (61011468).

Almost surely, 2^400932412 is an apocalyptic number.

It is an amenable number.

400932412 is a deficient number, since it is larger than the sum of its proper divisors (331205204).

400932412 is a wasteful number, since it uses less digits than its factorization.

400932412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357988 (or 4357986 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 400932412 is about 20023.2967315575. The cubic root of 400932412 is about 737.3783613234.

The spelling of 400932412 in words is "four hundred million, nine hundred thirty-two thousand, four hundred twelve".