323681604 has 24 divisors (see below), whose sum is σ = 762189120. Its totient is φ = 106903584.

The previous prime is 323681591. The next prime is 323681627. The reversal of 323681604 is 406186323.

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, 122424 + ... + 125039.

It is an arithmetic number, because the mean of its divisors is an integer number (31757880).

Almost surely, 2^323681604 is an apocalyptic number.

It is an amenable number.

323681604 is an abundant number, since it is smaller than the sum of its proper divisors (438507516).

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

323681604 is a wasteful number, since it uses less digits than its factorization.

323681604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247579 (or 247577 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 323681604 is about 17991.1534927586. The cubic root of 323681604 is about 686.6034888094.

The spelling of 323681604 in words is "three hundred twenty-three million, six hundred eighty-one thousand, six hundred four".