328085660 has 48 divisors (see below), whose sum is σ = 808699584. Its totient is φ = 109444608.

The previous prime is 328085651. The next prime is 328085687. The reversal of 328085660 is 66580823.

It is a super-4 number, since 4×328085660⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26489 + ... + 36848.

It is an arithmetic number, because the mean of its divisors is an integer number (16847908).

Almost surely, 2^328085660 is an apocalyptic number.

It is an amenable number.

328085660 is an abundant number, since it is smaller than the sum of its proper divisors (480613924).

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

328085660 is a wasteful number, since it uses less digits than its factorization.

328085660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63390 (or 63388 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 328085660 is about 18113.1350130230. The cubic root of 328085660 is about 689.7034782756.

The spelling of 328085660 in words is "three hundred twenty-eight million, eighty-five thousand, six hundred sixty".