338138924 has 12 divisors (see below), whose sum is σ = 592206384. Its totient is φ = 168937104.

The previous prime is 338138909. The next prime is 338138947. The reversal of 338138924 is 429831833.

It is a super-2 number, since 2×338138924² = 228675863847755552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 27227 + ... + 37650.

It is an arithmetic number, because the mean of its divisors is an integer number (49350532).

Almost surely, 2^338138924 is an apocalyptic number.

It is an amenable number.

338138924 is a deficient number, since it is larger than the sum of its proper divisors (254067460).

338138924 is a wasteful number, since it uses less digits than its factorization.

338138924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66184 (or 66182 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 338138924 is about 18388.5541574100. The cubic root of 338138924 is about 696.6773995686.

The spelling of 338138924 in words is "three hundred thirty-eight million, one hundred thirty-eight thousand, nine hundred twenty-four".