15716442 has 32 divisors (see below), whose sum is σ = 37085184. Its totient is φ = 4345200.

The previous prime is 15716431. The next prime is 15716447. The reversal of 15716442 is 24461751.

It is not an unprimeable number, because it can be changed into a prime (15716447) 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, 4734 + ... + 7337.

It is an arithmetic number, because the mean of its divisors is an integer number (1158912).

Almost surely, 2^15716442 is an apocalyptic number.

15716442 is an abundant number, since it is smaller than the sum of its proper divisors (21368742).

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

15716442 is a wasteful number, since it uses less digits than its factorization.

15716442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114.

The product of its digits is 6720, while the sum is 30.

The square root of 15716442 is about 3964.3968015324. The cubic root of 15716442 is about 250.4867423791.

The spelling of 15716442 in words is "fifteen million, seven hundred sixteen thousand, four hundred forty-two".