328959988 has 24 divisors (see below), whose sum is σ = 659256192. Its totient is φ = 140696544.

The previous prime is 328959907. The next prime is 328959989. The reversal of 328959988 is 889959823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328959989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2406 + ... + 25762.

It is an arithmetic number, because the mean of its divisors is an integer number (27469008).

Almost surely, 2^328959988 is an apocalyptic number.

It is an amenable number.

328959988 is an abundant number, since it is smaller than the sum of its proper divisors (330296204).

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

328959988 is a wasteful number, since it uses less digits than its factorization.

328959988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23871 (or 23869 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 61.

The square root of 328959988 is about 18137.2541471966. The cubic root of 328959988 is about 690.3156072115.

The spelling of 328959988 in words is "three hundred twenty-eight million, nine hundred fifty-nine thousand, nine hundred eighty-eight".