15954942 has 16 divisors (see below), whose sum is σ = 33787152. Its totient is φ = 5005440.

The previous prime is 15954937. The next prime is 15954947. The reversal of 15954942 is 24945951.

It is an interprime number because it is at equal distance from previous prime (15954937) and next prime (15954947).

It is a self number, because there is not a number n which added to its sum of digits gives 15954942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15954947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78109 + ... + 78312.

It is an arithmetic number, because the mean of its divisors is an integer number (2111697).

Almost surely, 2^15954942 is an apocalyptic number.

15954942 is an abundant number, since it is smaller than the sum of its proper divisors (17832210).

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

15954942 is a wasteful number, since it uses less digits than its factorization.

15954942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156443.

The product of its digits is 64800, while the sum is 39.

The square root of 15954942 is about 3994.3637791268. The cubic root of 15954942 is about 251.7474479114.

The spelling of 15954942 in words is "fifteen million, nine hundred fifty-four thousand, nine hundred forty-two".