15995672 has 64 divisors (see below), whose sum is σ = 39052800. Its totient is φ = 5955840.

The previous prime is 15995671. The next prime is 15995713. The reversal of 15995672 is 27659951.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15995671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13604 + ... + 14732.

It is an arithmetic number, because the mean of its divisors is an integer number (610200).

Almost surely, 2^15995672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15995672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19526400).

15995672 is an abundant number, since it is smaller than the sum of its proper divisors (23057128).

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

15995672 is a wasteful number, since it uses less digits than its factorization.

15995672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1172 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 15995672 is about 3999.4589634099. The cubic root of 15995672 is about 251.9614873538.

The spelling of 15995672 in words is "fifteen million, nine hundred ninety-five thousand, six hundred seventy-two".