328944880 has 80 divisors (see below), whose sum is σ = 842812128. Its totient is φ = 118400000.

The previous prime is 328944851. The next prime is 328944901. The reversal of 328944880 is 88449823.

328944880 = T₁₄₄ + T₁₄₅ + ... + T₁₂₅₄.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 328944880.

It is a congruent number.

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, 87030 + ... + 90730.

Almost surely, 2^328944880 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 328944880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421406064).

328944880 is an abundant number, since it is smaller than the sum of its proper divisors (513867248).

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

328944880 is a wasteful number, since it uses less digits than its factorization.

328944880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 328944880 is about 18136.8376515863. The cubic root of 328944880 is about 690.3050391098.

The spelling of 328944880 in words is "three hundred twenty-eight million, nine hundred forty-four thousand, eight hundred eighty".