328872628 has 12 divisors (see below), whose sum is σ = 657745312. Its totient is φ = 140945400.

The previous prime is 328872623. The next prime is 328872629. The reversal of 328872628 is 826278823.

328872628 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328872623) 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, 5872698 + ... + 5872753.

Almost surely, 2^328872628 is an apocalyptic number.

It is an amenable number.

328872628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

328872628 is a wasteful number, since it uses less digits than its factorization.

328872628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11745462 (or 11745460 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 328872628 is about 18134.8456844827. The cubic root of 328872628 is about 690.2544940946.

The spelling of 328872628 in words is "three hundred twenty-eight million, eight hundred seventy-two thousand, six hundred twenty-eight".