396266624 has 32 divisors (see below), whose sum is σ = 850166940. Its totient is φ = 182891520.

The previous prime is 396266593. The next prime is 396266627. The reversal of 396266624 is 426662693.

It can be written as a sum of positive squares in 2 ways, for example, as 393308224 + 2958400 = 19832^2 + 1720^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (396266627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117407 + ... + 120734.

Almost surely, 2^396266624 is an apocalyptic number.

It is an amenable number.

396266624 is an abundant number, since it is smaller than the sum of its proper divisors (453900316).

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

396266624 is a wasteful number, since it uses less digits than its factorization.

396266624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238168 (or 238156 counting only the distinct ones).

The product of its digits is 559872, while the sum is 44.

The square root of 396266624 is about 19906.4467949456. The cubic root of 396266624 is about 734.5068183330.

The spelling of 396266624 in words is "three hundred ninety-six million, two hundred sixty-six thousand, six hundred twenty-four".