328308732 has 36 divisors (see below), whose sum is σ = 834997800. Its totient is φ = 108762912.

The previous prime is 328308719. The next prime is 328308751. The reversal of 328308732 is 237803823.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22107 + ... + 33842.

Almost surely, 2^328308732 is an apocalyptic number.

It is an amenable number.

328308732 is an abundant number, since it is smaller than the sum of its proper divisors (506689068).

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

328308732 is a wasteful number, since it uses less digits than its factorization.

328308732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56122 (or 56117 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 328308732 is about 18119.2917080111. The cubic root of 328308732 is about 689.8597572568.

The spelling of 328308732 in words is "three hundred twenty-eight million, three hundred eight thousand, seven hundred thirty-two".