328988328 has 16 divisors (see below), whose sum is σ = 822470880. Its totient is φ = 109662768.

The previous prime is 328988327. The next prime is 328988329. The reversal of 328988328 is 823889823.

It is an interprime number because it is at equal distance from previous prime (328988327) and next prime (328988329).

It is not an unprimeable number, because it can be changed into a prime (328988321) 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 3 ways as a sum of consecutive naturals, for example, 6853900 + ... + 6853947.

It is an arithmetic number, because the mean of its divisors is an integer number (51404430).

Almost surely, 2^328988328 is an apocalyptic number.

It is an amenable number.

328988328 is an abundant number, since it is smaller than the sum of its proper divisors (493482552).

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

328988328 is a wasteful number, since it uses less digits than its factorization.

328988328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13707856 (or 13707852 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 328988328 is about 18138.0353952681. The cubic root of 328988328 is about 690.3354302733.

The spelling of 328988328 in words is "three hundred twenty-eight million, nine hundred eighty-eight thousand, three hundred twenty-eight".