15897996 has 36 divisors (see below), whose sum is σ = 41170584. Its totient is φ = 5169600.

The previous prime is 15897983. The next prime is 15898007. The reversal of 15897996 is 69979851.

15897996 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3910 + ... + 6861.

Almost surely, 2^15897996 is an apocalyptic number.

It is an amenable number.

15897996 is an abundant number, since it is smaller than the sum of its proper divisors (25272588).

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

15897996 is a wasteful number, since it uses less digits than its factorization.

15897996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822 (or 10817 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 15897996 is about 3987.2291130558. The cubic root of 15897996 is about 251.4475805310.

The spelling of 15897996 in words is "fifteen million, eight hundred ninety-seven thousand, nine hundred ninety-six".