328322904 has 256 divisors, whose sum is σ = 1103155200. Its totient is φ = 78962688.

The previous prime is 328322879. The next prime is 328322927. The reversal of 328322904 is 409223823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1373617 + ... + 1373855.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^328322904 is an apocalyptic number.

328322904 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328322904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551577600).

328322904 is an abundant number, since it is smaller than the sum of its proper divisors (774832296).

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

328322904 is a wasteful number, since it uses less digits than its factorization.

328322904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 328322904 is about 18119.6827786802. The cubic root of 328322904 is about 689.8696834339.

The spelling of 328322904 in words is "three hundred twenty-eight million, three hundred twenty-two thousand, nine hundred four".