328205660 has 12 divisors (see below), whose sum is σ = 689231928. Its totient is φ = 131282256.

The previous prime is 328205659. The next prime is 328205687. The reversal of 328205660 is 66502823.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8205122 + ... + 8205161.

It is an arithmetic number, because the mean of its divisors is an integer number (57435994).

Almost surely, 2^328205660 is an apocalyptic number.

It is an amenable number.

328205660 is an abundant number, since it is smaller than the sum of its proper divisors (361026268).

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

328205660 is a wasteful number, since it uses less digits than its factorization.

328205660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16410292 (or 16410290 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 328205660 is about 18116.4472234486. The cubic root of 328205660 is about 689.7875562456.

The spelling of 328205660 in words is "three hundred twenty-eight million, two hundred five thousand, six hundred sixty".