15396942 has 32 divisors (see below), whose sum is σ = 34030080. Its totient is φ = 4605120.

The previous prime is 15396937. The next prime is 15396943. The reversal of 15396942 is 24969351.

It is a self number, because there is not a number n which added to its sum of digits gives 15396942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15396943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (1063440).

Almost surely, 2^15396942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15396942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17015040).

15396942 is an abundant number, since it is smaller than the sum of its proper divisors (18633138).

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

15396942 is a wasteful number, since it uses less digits than its factorization.

15396942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048.

The product of its digits is 58320, while the sum is 39.

The square root of 15396942 is about 3923.8937294478. The cubic root of 15396942 is about 248.7777245766. Note that the first 4 decimals are identical.

The spelling of 15396942 in words is "fifteen million, three hundred ninety-six thousand, nine hundred forty-two".