328482728 has 32 divisors (see below), whose sum is σ = 705533760. Its totient is φ = 140449920.

The previous prime is 328482689. The next prime is 328482829. The reversal of 328482728 is 827284823.

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, 18188 + ... + 31428.

It is an arithmetic number, because the mean of its divisors is an integer number (22047930).

Almost surely, 2^328482728 is an apocalyptic number.

It is an amenable number.

328482728 is an abundant number, since it is smaller than the sum of its proper divisors (377051032).

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

328482728 is a wasteful number, since it uses less digits than its factorization.

328482728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13697 (or 13693 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 328482728 is about 18124.0924738316. The cubic root of 328482728 is about 689.9816056148.

The spelling of 328482728 in words is "three hundred twenty-eight million, four hundred eighty-two thousand, seven hundred twenty-eight".