15879216 has 40 divisors (see below), whose sum is σ = 42134704. Its totient is φ = 5149440.

The previous prime is 15879197. The next prime is 15879217. The reversal of 15879216 is 61297851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15879217) 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, 2695 + ... + 6246.

Almost surely, 2^15879216 is an apocalyptic number.

15879216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15879216 is an abundant number, since it is smaller than the sum of its proper divisors (26255488).

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

15879216 is a wasteful number, since it uses less digits than its factorization.

15879216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989 (or 8983 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 15879216 is about 3984.8733982399. The cubic root of 15879216 is about 251.3485314393.

The spelling of 15879216 in words is "fifteen million, eight hundred seventy-nine thousand, two hundred sixteen".