15916992 has 112 divisors (see below), whose sum is σ = 51889152. Its totient is φ = 4193280.

The previous prime is 15916963. The next prime is 15917017. The reversal of 15916992 is 29961951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17017 + ... + 17927.

It is an arithmetic number, because the mean of its divisors is an integer number (463296).

Almost surely, 2^15916992 is an apocalyptic number.

15916992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15916992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25944576).

15916992 is an abundant number, since it is smaller than the sum of its proper divisors (35972160).

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

15916992 is a wasteful number, since it uses less digits than its factorization.

15916992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 936 counting only the distinct ones).

The product of its digits is 43740, while the sum is 42.

The square root of 15916992 is about 3989.6105073052. The cubic root of 15916992 is about 251.5476895232.

The spelling of 15916992 in words is "fifteen million, nine hundred sixteen thousand, nine hundred ninety-two".