323963990 has 48 divisors (see below), whose sum is σ = 687009600. Its totient is φ = 109654272.

The previous prime is 323963987. The next prime is 323964013. The reversal of 323963990 is 99369323.

It is a happy number.

323963990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34526 + ... + 42894.

It is an arithmetic number, because the mean of its divisors is an integer number (14312700).

Almost surely, 2^323963990 is an apocalyptic number.

323963990 is an abundant number, since it is smaller than the sum of its proper divisors (363045610).

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

323963990 is a wasteful number, since it uses less digits than its factorization.

323963990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469 (or 8462 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 44.

The square root of 323963990 is about 17998.9996944275. Note that the first 3 decimals coincide. The cubic root of 323963990 is about 686.8030994288.

The spelling of 323963990 in words is "three hundred twenty-three million, nine hundred sixty-three thousand, nine hundred ninety".