396624972 has 24 divisors (see below), whose sum is σ = 965696256. Its totient is φ = 126460048.

The previous prime is 396624971. The next prime is 396624979. The reversal of 396624972 is 279426693.

It is a super-2 number, since 2×396624972² = 314622736828001568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396624971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718248 + ... + 718799.

It is an arithmetic number, because the mean of its divisors is an integer number (40237344).

Almost surely, 2^396624972 is an apocalyptic number.

It is an amenable number.

396624972 is an abundant number, since it is smaller than the sum of its proper divisors (569071284).

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

396624972 is a wasteful number, since it uses less digits than its factorization.

396624972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437077 (or 1437075 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 396624972 is about 19915.4455636825. The cubic root of 396624972 is about 734.7281589930.

The spelling of 396624972 in words is "three hundred ninety-six million, six hundred twenty-four thousand, nine hundred seventy-two".