15238842 has 16 divisors (see below), whose sum is σ = 30624672. Its totient is φ = 5055120.

The previous prime is 15238831. The next prime is 15238843. The reversal of 15238842 is 24883251.

15238842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15238843) 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, 4753 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (1914042).

Almost surely, 2^15238842 is an apocalyptic number.

15238842 is an abundant number, since it is smaller than the sum of its proper divisors (15385830).

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

15238842 is a wasteful number, since it uses less digits than its factorization.

15238842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253.

The product of its digits is 15360, while the sum is 33.

The square root of 15238842 is about 3903.6959410282. The cubic root of 15238842 is about 247.9232874943.

The spelling of 15238842 in words is "fifteen million, two hundred thirty-eight thousand, eight hundred forty-two".