328287232 has 132 divisors (see below), whose sum is σ = 815131776. Its totient is φ = 129392640.

The previous prime is 328287227. The next prime is 328287259. The reversal of 328287232 is 232782823.

It is a junction number, because it is equal to n+sod(n) for n = 328287191 and 328287200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1211257 + ... + 1211527.

Almost surely, 2^328287232 is an apocalyptic number.

328287232 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 328287232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407565888).

328287232 is an abundant number, since it is smaller than the sum of its proper divisors (486844544).

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

328287232 is a wasteful number, since it uses less digits than its factorization.

328287232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 293 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 328287232 is about 18118.6984079983. The cubic root of 328287232 is about 689.8446979472.

The spelling of 328287232 in words is "three hundred twenty-eight million, two hundred eighty-seven thousand, two hundred thirty-two".