238138268 has 12 divisors (see below), whose sum is σ = 416936520. Its totient is φ = 119013552.

The previous prime is 238138247. The next prime is 238138283. The reversal of 238138268 is 862831832.

It is a congruent number.

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, 3371 + ... + 22082.

It is an arithmetic number, because the mean of its divisors is an integer number (34744710).

Almost surely, 2^238138268 is an apocalyptic number.

It is an amenable number.

238138268 is a deficient number, since it is larger than the sum of its proper divisors (178798252).

238138268 is a wasteful number, since it uses less digits than its factorization.

238138268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27796 (or 27794 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 238138268 is about 15431.7292614924. The cubic root of 238138268 is about 619.8354297862.

The spelling of 238138268 in words is "two hundred thirty-eight million, one hundred thirty-eight thousand, two hundred sixty-eight".