328715232 has 96 divisors (see below), whose sum is σ = 905748480. Its totient is φ = 104240640.

The previous prime is 328715207. The next prime is 328715237. The reversal of 328715232 is 232517823.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 328715193 and 328715202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328715237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196833 + ... + 198495.

It is an arithmetic number, because the mean of its divisors is an integer number (9434880).

Almost surely, 2^328715232 is an apocalyptic number.

328715232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328715232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452874240).

328715232 is an abundant number, since it is smaller than the sum of its proper divisors (577033248).

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

328715232 is a wasteful number, since it uses less digits than its factorization.

328715232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1768 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 328715232 is about 18130.5055638281. The cubic root of 328715232 is about 690.1443596295.

The spelling of 328715232 in words is "three hundred twenty-eight million, seven hundred fifteen thousand, two hundred thirty-two".