328564576 has 48 divisors (see below), whose sum is σ = 689453856. Its totient is φ = 153593856.

The previous prime is 328564517. The next prime is 328564597. The reversal of 328564576 is 675465823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83485 + ... + 87331.

It is an arithmetic number, because the mean of its divisors is an integer number (14363622).

Almost surely, 2^328564576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328564576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344726928).

328564576 is an abundant number, since it is smaller than the sum of its proper divisors (360889280).

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

328564576 is a wasteful number, since it uses less digits than its factorization.

328564576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4023 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The square root of 328564576 is about 18126.3503221139. The cubic root of 328564576 is about 690.0389083990.

The spelling of 328564576 in words is "three hundred twenty-eight million, five hundred sixty-four thousand, five hundred seventy-six".