328564472 has 16 divisors (see below), whose sum is σ = 621817560. Its totient is φ = 162746464.

The previous prime is 328564471. The next prime is 328564487. The reversal of 328564472 is 274465823.

It is a super-2 number, since 2×328564472² = 215909224521277568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328564471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191063 + ... + 192774.

Almost surely, 2^328564472 is an apocalyptic number.

It is an amenable number.

328564472 is a deficient number, since it is larger than the sum of its proper divisors (293253088).

328564472 is a wasteful number, since it uses less digits than its factorization.

328564472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383950 (or 383946 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 328564472 is about 18126.3474533619. The cubic root of 328564472 is about 690.0388355933.

The spelling of 328564472 in words is "three hundred twenty-eight million, five hundred sixty-four thousand, four hundred seventy-two".