328796320 has 96 divisors (see below), whose sum is σ = 830768400. Its totient is φ = 122535936.

The previous prime is 328796317. The next prime is 328796333. The reversal of 328796320 is 23697823.

It can be written as a sum of positive squares in 8 ways, for example, as 115519504 + 213276816 = 10748^2 + 14604^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295926 + ... + 297034.

Almost surely, 2^328796320 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 328796320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415384200).

328796320 is an abundant number, since it is smaller than the sum of its proper divisors (501972080).

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

328796320 is a wasteful number, since it uses less digits than its factorization.

328796320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 328796320 is about 18132.7416570137. The cubic root of 328796320 is about 690.2011036026.

The spelling of 328796320 in words is "three hundred twenty-eight million, seven hundred ninety-six thousand, three hundred twenty".