326523604 has 48 divisors (see below), whose sum is σ = 637894656. Its totient is φ = 145000800.

The previous prime is 326523601. The next prime is 326523611. The reversal of 326523604 is 406325623.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326523601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396337 + ... + 397159.

It is an arithmetic number, because the mean of its divisors is an integer number (13289472).

Almost surely, 2^326523604 is an apocalyptic number.

It is an amenable number.

326523604 is a deficient number, since it is larger than the sum of its proper divisors (311371052).

326523604 is a wasteful number, since it uses less digits than its factorization.

326523604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 326523604 is about 18069.9641394221. The cubic root of 326523604 is about 688.6071489405.

The spelling of 326523604 in words is "three hundred twenty-six million, five hundred twenty-three thousand, six hundred four".