326987132 has 24 divisors (see below), whose sum is σ = 597821952. Its totient is φ = 156308400.

The previous prime is 326987123. The next prime is 326987137. The reversal of 326987132 is 231789623.

It is a self number, because there is not a number n which added to its sum of digits gives 326987132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326987137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5594 + ... + 26177.

It is an arithmetic number, because the mean of its divisors is an integer number (24909248).

Almost surely, 2^326987132 is an apocalyptic number.

It is an amenable number.

326987132 is a deficient number, since it is larger than the sum of its proper divisors (270834820).

326987132 is a wasteful number, since it uses less digits than its factorization.

326987132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31889 (or 31887 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 326987132 is about 18082.7855155117. The cubic root of 326987132 is about 688.9328403260.

The spelling of 326987132 in words is "three hundred twenty-six million, nine hundred eighty-seven thousand, one hundred thirty-two".