324399564 has 18 divisors (see below), whose sum is σ = 820010100. Its totient is φ = 108133176.

The previous prime is 324399563. The next prime is 324399601. The reversal of 324399564 is 465993423.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (324399563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4505514 + ... + 4505585.

Almost surely, 2^324399564 is an apocalyptic number.

It is an amenable number.

324399564 is an abundant number, since it is smaller than the sum of its proper divisors (495610536).

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

324399564 is a wasteful number, since it uses less digits than its factorization.

324399564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011109 (or 9011104 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 324399564 is about 18011.0955802250. The cubic root of 324399564 is about 687.1107669583.

The spelling of 324399564 in words is "three hundred twenty-four million, three hundred ninety-nine thousand, five hundred sixty-four".