15338242 has 8 divisors (see below), whose sum is σ = 23749632. Its totient is φ = 7421700.

The previous prime is 15338231. The next prime is 15338261. The reversal of 15338242 is 24283351.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15338242.

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, 123634 + ... + 123757.

It is an arithmetic number, because the mean of its divisors is an integer number (2968704).

Almost surely, 2^15338242 is an apocalyptic number.

15338242 is a deficient number, since it is larger than the sum of its proper divisors (8411390).

15338242 is a wasteful number, since it uses less digits than its factorization.

15338242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247424.

The product of its digits is 5760, while the sum is 28.

The square root of 15338242 is about 3916.4067715190. The cubic root of 15338242 is about 248.4611714612.

The spelling of 15338242 in words is "fifteen million, three hundred thirty-eight thousand, two hundred forty-two".