328721096 has 32 divisors (see below), whose sum is σ = 683791200. Its totient is φ = 146883840.

The previous prime is 328721089. The next prime is 328721137. The reversal of 328721096 is 690127823.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 26465 + ... + 36848.

It is an arithmetic number, because the mean of its divisors is an integer number (21368475).

Almost surely, 2^328721096 is an apocalyptic number.

It is an amenable number.

328721096 is an abundant number, since it is smaller than the sum of its proper divisors (355070104).

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

328721096 is a wasteful number, since it uses less digits than its factorization.

328721096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63389 (or 63385 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 328721096 is about 18130.6672795019. The cubic root of 328721096 is about 690.1484634678.

The spelling of 328721096 in words is "three hundred twenty-eight million, seven hundred twenty-one thousand, ninety-six".