396945372 has 24 divisors (see below), whose sum is σ = 926536576. Its totient is φ = 132267888.

The previous prime is 396945343. The next prime is 396945391. The reversal of 396945372 is 273549693.

It is a happy number.

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, 51183 + ... + 58425.

Almost surely, 2^396945372 is an apocalyptic number.

It is an amenable number.

396945372 is an abundant number, since it is smaller than the sum of its proper divisors (529591204).

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

396945372 is a wasteful number, since it uses less digits than its factorization.

396945372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817 (or 11815 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 48.

The square root of 396945372 is about 19923.4879476461. The cubic root of 396945372 is about 734.9259474655.

The spelling of 396945372 in words is "three hundred ninety-six million, nine hundred forty-five thousand, three hundred seventy-two".