328650564 has 24 divisors (see below), whose sum is σ = 836565408. Its totient is φ = 99591040.

The previous prime is 328650559. The next prime is 328650589. The reversal of 328650564 is 465056823.

It is a super-2 number, since 2×328650564² = 216022386435036192, which contains 22 as substring.

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, 1244757 + ... + 1245020.

It is an arithmetic number, because the mean of its divisors is an integer number (34856892).

Almost surely, 2^328650564 is an apocalyptic number.

It is an amenable number.

328650564 is an abundant number, since it is smaller than the sum of its proper divisors (507914844).

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

328650564 is a wasteful number, since it uses less digits than its factorization.

328650564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489795 (or 2489793 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 328650564 is about 18128.7220729979. The cubic root of 328650564 is about 690.0990993980.

The spelling of 328650564 in words is "three hundred twenty-eight million, six hundred fifty thousand, five hundred sixty-four".