328059720 has 96 divisors (see below), whose sum is σ = 1105715520. Its totient is φ = 87480000.

The previous prime is 328059709. The next prime is 328059733. The reversal of 328059720 is 27950823.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7156 + ... + 26595.

It is an arithmetic number, because the mean of its divisors is an integer number (11517870).

Almost surely, 2^328059720 is an apocalyptic number.

328059720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328059720 is an abundant number, since it is smaller than the sum of its proper divisors (777655800).

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

328059720 is a wasteful number, since it uses less digits than its factorization.

328059720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33777 (or 33761 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 328059720 is about 18112.4189439180. The cubic root of 328059720 is about 689.6853007263.

The spelling of 328059720 in words is "three hundred twenty-eight million, fifty-nine thousand, seven hundred twenty".