15975942 has 8 divisors (see below), whose sum is σ = 31951896. Its totient is φ = 5325312.

The previous prime is 15975931. The next prime is 15975991. The reversal of 15975942 is 24957951.

15975942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

15975942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 15975894 and 15975903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331323 + ... + 1331334.

It is an arithmetic number, because the mean of its divisors is an integer number (3993987).

Almost surely, 2^15975942 is an apocalyptic number.

15975942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15975942 is a wasteful number, since it uses less digits than its factorization.

15975942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662662.

The product of its digits is 113400, while the sum is 42.

The square root of 15975942 is about 3996.9916187052. The cubic root of 15975942 is about 251.8578500392.

Subtracting 15975942 from its reverse (24957951), we obtain a square (8982009 = 2997²).

The spelling of 15975942 in words is "fifteen million, nine hundred seventy-five thousand, nine hundred forty-two".