15914216 has 8 divisors (see below), whose sum is σ = 29839170. Its totient is φ = 7957104.

The previous prime is 15914209. The next prime is 15914231. The reversal of 15914216 is 61241951.

It can be written as a sum of positive squares in only one way, i.e., 14853316 + 1060900 = 3854^2 + 1030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994631 + ... + 994646.

Almost surely, 2^15914216 is an apocalyptic number.

It is an amenable number.

15914216 is a deficient number, since it is larger than the sum of its proper divisors (13924954).

15914216 is a wasteful number, since it uses less digits than its factorization.

15914216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989283 (or 1989279 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 15914216 is about 3989.2625884993. The cubic root of 15914216 is about 251.5330649638.

The spelling of 15914216 in words is "fifteen million, nine hundred fourteen thousand, two hundred sixteen".