328921248 has 48 divisors (see below), whose sum is σ = 893198880. Its totient is φ = 105858816.

The previous prime is 328921223. The next prime is 328921259. The reversal of 328921248 is 842129823.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 56290 + ... + 61857.

It is an arithmetic number, because the mean of its divisors is an integer number (18608310).

Almost surely, 2^328921248 is an apocalyptic number.

It is an amenable number.

328921248 is an abundant number, since it is smaller than the sum of its proper divisors (564277632).

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

328921248 is a wasteful number, since it uses less digits than its factorization.

328921248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118189 (or 118181 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 328921248 is about 18136.1861481404. The cubic root of 328921248 is about 690.2885077896.

The spelling of 328921248 in words is "three hundred twenty-eight million, nine hundred twenty-one thousand, two hundred forty-eight".