15915952 has 20 divisors (see below), whose sum is σ = 33209680. Its totient is φ = 7345728.

The previous prime is 15915919. The next prime is 15915967. The reversal of 15915952 is 25951951.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38052 + ... + 38467.

It is an arithmetic number, because the mean of its divisors is an integer number (1660484).

Almost surely, 2^15915952 is an apocalyptic number.

It is an amenable number.

15915952 is an abundant number, since it is smaller than the sum of its proper divisors (17293728).

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

15915952 is a wasteful number, since it uses less digits than its factorization.

15915952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76540 (or 76534 counting only the distinct ones).

The product of its digits is 20250, while the sum is 37.

The square root of 15915952 is about 3989.4801666383. The cubic root of 15915952 is about 251.5422107809.

The spelling of 15915952 in words is "fifteen million, nine hundred fifteen thousand, nine hundred fifty-two".