396647152 has 40 divisors (see below), whose sum is σ = 867288240. Its totient is φ = 174074880.

The previous prime is 396647149. The next prime is 396647183. The reversal of 396647152 is 251746693.

It is a super-2 number, since 2×396647152² = 314657926379422208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396647099 and 396647108.

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, 33753 + ... + 43960.

It is an arithmetic number, because the mean of its divisors is an integer number (21682206).

Almost surely, 2^396647152 is an apocalyptic number.

It is an amenable number.

396647152 is an abundant number, since it is smaller than the sum of its proper divisors (470641088).

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

396647152 is a wasteful number, since it uses less digits than its factorization.

396647152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77761 (or 77755 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 396647152 is about 19916.0024101224. The cubic root of 396647152 is about 734.7418545224.

The spelling of 396647152 in words is "three hundred ninety-six million, six hundred forty-seven thousand, one hundred fifty-two".