396369399672 has 64 divisors (see below), whose sum is σ = 1102858461600. Its totient is φ = 131903251200.

The previous prime is 396369399659. The next prime is 396369399683. The reversal of 396369399672 is 276993963693.

396369399672 is a `hidden beast` number, since 396 + 3 + 6 + 93 + 99 + 67 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 396369399672.

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, 1396843 + ... + 1656474.

Almost surely, 2^396369399672 is an apocalyptic number.

It is an amenable number.

396369399672 is an abundant number, since it is smaller than the sum of its proper divisors (706489061928).

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

396369399672 is a wasteful number, since it uses less digits than its factorization.

396369399672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053933 (or 3053923 counting only the distinct ones).

The product of its digits is 535692528, while the sum is 72.

The spelling of 396369399672 in words is "three hundred ninety-six billion, three hundred sixty-nine million, three hundred ninety-nine thousand, six hundred seventy-two".