323979642 has 64 divisors (see below), whose sum is σ = 871223040. Its totient is φ = 87118848.

The previous prime is 323979641. The next prime is 323979647. The reversal of 323979642 is 246979323.

It is not an unprimeable number, because it can be changed into a prime (323979641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18783 + ... + 31634.

It is an arithmetic number, because the mean of its divisors is an integer number (13612860).

Almost surely, 2^323979642 is an apocalyptic number.

323979642 is an abundant number, since it is smaller than the sum of its proper divisors (547243398).

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

323979642 is a wasteful number, since it uses less digits than its factorization.

323979642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50452 (or 50446 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 323979642 is about 17999.4344911167. The cubic root of 323979642 is about 686.8141599884.

The spelling of 323979642 in words is "three hundred twenty-three million, nine hundred seventy-nine thousand, six hundred forty-two".