324320990 has 16 divisors (see below), whose sum is σ = 667174752. Its totient is φ = 111195744.

The previous prime is 324320989. The next prime is 324321061. The reversal of 324320990 is 99023423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2316509 + ... + 2316648.

It is an arithmetic number, because the mean of its divisors is an integer number (41698422).

Almost surely, 2^324320990 is an apocalyptic number.

324320990 is an abundant number, since it is smaller than the sum of its proper divisors (342853762).

324320990 is a wasteful number, since it uses less digits than its factorization.

324320990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633171.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 324320990 is about 18008.9141815935. The cubic root of 324320990 is about 687.0552866115.

The spelling of 324320990 in words is "three hundred twenty-four million, three hundred twenty thousand, nine hundred ninety".