328656752 has 40 divisors (see below), whose sum is σ = 667484064. Its totient is φ = 156468224.

The previous prime is 328656721. The next prime is 328656781. The reversal of 328656752 is 257656823.

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, 83828 + ... + 87660.

Almost surely, 2^328656752 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 328656752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333742032).

328656752 is an abundant number, since it is smaller than the sum of its proper divisors (338827312).

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

328656752 is a wasteful number, since it uses less digits than its factorization.

328656752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097 (or 4091 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 328656752 is about 18128.8927405951. The cubic root of 328656752 is about 690.1034305498.

The spelling of 328656752 in words is "three hundred twenty-eight million, six hundred fifty-six thousand, seven hundred fifty-two".