238393338 has 16 divisors (see below), whose sum is σ = 476948640. Its totient is φ = 79437456.

The previous prime is 238393301. The next prime is 238393343. The reversal of 238393338 is 833393832.

It is a self number, because there is not a number n which added to its sum of digits gives 238393338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21456 + ... + 30612.

It is an arithmetic number, because the mean of its divisors is an integer number (29809290).

Almost surely, 2^238393338 is an apocalyptic number.

238393338 is an abundant number, since it is smaller than the sum of its proper divisors (238555302).

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

238393338 is a wasteful number, since it uses less digits than its factorization.

238393338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13501.

The product of its digits is 279936, while the sum is 42.

The square root of 238393338 is about 15439.9915155417. The cubic root of 238393338 is about 620.0566528183.

The spelling of 238393338 in words is "two hundred thirty-eight million, three hundred ninety-three thousand, three hundred thirty-eight".