15331964 has 12 divisors (see below), whose sum is σ = 27402144. Its totient is φ = 7502784.

The previous prime is 15331957. The next prime is 15331969. The reversal of 15331964 is 46913351.

It is a self number, because there is not a number n which added to its sum of digits gives 15331964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15331969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40589 + ... + 40964.

It is an arithmetic number, because the mean of its divisors is an integer number (2283512).

Almost surely, 2^15331964 is an apocalyptic number.

It is an amenable number.

15331964 is a deficient number, since it is larger than the sum of its proper divisors (12070180).

15331964 is a wasteful number, since it uses less digits than its factorization.

15331964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81604 (or 81602 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 15331964 is about 3915.6051894950. The cubic root of 15331964 is about 248.4272681387.

The spelling of 15331964 in words is "fifteen million, three hundred thirty-one thousand, nine hundred sixty-four".