400933212 has 48 divisors (see below), whose sum is σ = 986711040. Its totient is φ = 126358272.

The previous prime is 400933201. The next prime is 400933249. The reversal of 400933212 is 212339004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136948 + ... + 139844.

It is an arithmetic number, because the mean of its divisors is an integer number (20556480).

Almost surely, 2^400933212 is an apocalyptic number.

It is an amenable number.

400933212 is an abundant number, since it is smaller than the sum of its proper divisors (585777828).

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

400933212 is a wasteful number, since it uses less digits than its factorization.

400933212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530 (or 3528 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 400933212 is about 20023.3167082779. The cubic root of 400933212 is about 737.3788517654.

The spelling of 400933212 in words is "four hundred million, nine hundred thirty-three thousand, two hundred twelve".