328155984 has 120 divisors (see below), whose sum is σ = 993984992. Its totient is φ = 100465920.

The previous prime is 328155979. The next prime is 328156007. The reversal of 328155984 is 489551823.

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 23 ways as a sum of consecutive naturals, for example, 574419 + ... + 574989.

Almost surely, 2^328155984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328155984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496992496).

328155984 is an abundant number, since it is smaller than the sum of its proper divisors (665829008).

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

328155984 is a wasteful number, since it uses less digits than its factorization.

328155984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 896 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 328155984 is about 18115.0761521999. The cubic root of 328155984 is about 689.7527532549.

The spelling of 328155984 in words is "three hundred twenty-eight million, one hundred fifty-five thousand, nine hundred eighty-four".