328963290 has 32 divisors (see below), whose sum is σ = 789989760. Its totient is φ = 87670464.

The previous prime is 328963241. The next prime is 328963307. The reversal of 328963290 is 92369823.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91507 + ... + 95033.

It is an arithmetic number, because the mean of its divisors is an integer number (24687180).

Almost surely, 2^328963290 is an apocalyptic number.

328963290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328963290 is an abundant number, since it is smaller than the sum of its proper divisors (461026470).

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

328963290 is a wasteful number, since it uses less digits than its factorization.

328963290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 328963290 is about 18137.3451750801. The cubic root of 328963290 is about 690.3179169296.

The spelling of 328963290 in words is "three hundred twenty-eight million, nine hundred sixty-three thousand, two hundred ninety".