323620988 has 24 divisors (see below), whose sum is σ = 577054800. Its totient is φ = 158802864.

The previous prime is 323620987. The next prime is 323621009. The reversal of 323620988 is 889026323.

It is a super-2 number, since 2×323620988² = 209461087748192288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323620987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202918 + ... + 1203186.

It is an arithmetic number, because the mean of its divisors is an integer number (24043950).

Almost surely, 2^323620988 is an apocalyptic number.

It is an amenable number.

323620988 is a deficient number, since it is larger than the sum of its proper divisors (253433812).

323620988 is an frugal number, since it uses more digits than its factorization.

323620988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 323620988 is about 17989.4688081666. The cubic root of 323620988 is about 686.5606259519.

The spelling of 323620988 in words is "three hundred twenty-three million, six hundred twenty thousand, nine hundred eighty-eight".