328917330 has 96 divisors (see below), whose sum is σ = 994032000. Its totient is φ = 73898496.

The previous prime is 328917317. The next prime is 328917353. The reversal of 328917330 is 33719823.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32746 + ... + 41594.

It is an arithmetic number, because the mean of its divisors is an integer number (10354500).

Almost surely, 2^328917330 is an apocalyptic number.

328917330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328917330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497016000).

328917330 is an abundant number, since it is smaller than the sum of its proper divisors (665114670).

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

328917330 is a wasteful number, since it uses less digits than its factorization.

328917330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928 (or 8925 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 328917330 is about 18136.0781317241. The cubic root of 328917330 is about 690.2857669501.

The spelling of 328917330 in words is "three hundred twenty-eight million, nine hundred seventeen thousand, three hundred thirty".