15995842 has 16 divisors (see below), whose sum is σ = 24383520. Its totient is φ = 7869312.

The previous prime is 15995813. The next prime is 15995857. The reversal of 15995842 is 24859951.

It is a super-2 number, since 2×15995842² = 511733922577928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45138 + ... + 45490.

It is an arithmetic number, because the mean of its divisors is an integer number (1523970).

Almost surely, 2^15995842 is an apocalyptic number.

15995842 is a deficient number, since it is larger than the sum of its proper divisors (8387678).

15995842 is a wasteful number, since it uses less digits than its factorization.

15995842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its digits is 129600, while the sum is 43.

The square root of 15995842 is about 3999.4802162281. The cubic root of 15995842 is about 251.9623799557.

It can be divided in two parts, 159958 and 42, that added together give a 4-th power (160000 = 20⁴).

The spelling of 15995842 in words is "fifteen million, nine hundred ninety-five thousand, eight hundred forty-two".