238516117 has 16 divisors (see below), whose sum is σ = 279724032. Its totient is φ = 199134000.

The previous prime is 238516081. The next prime is 238516129. The reversal of 238516117 is 711615832.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 238516117 - 2⁷ = 238515989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238516217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71742 + ... + 74992.

It is an arithmetic number, because the mean of its divisors is an integer number (17482752).

Almost surely, 2^238516117 is an apocalyptic number.

It is an amenable number.

238516117 is a deficient number, since it is larger than the sum of its proper divisors (41207915).

238516117 is a wasteful number, since it uses less digits than its factorization.

238516117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528.

The product of its digits is 10080, while the sum is 34.

The square root of 238516117 is about 15443.9670098068. The cubic root of 238516117 is about 620.1630831832.

The spelling of 238516117 in words is "two hundred thirty-eight million, five hundred sixteen thousand, one hundred seventeen".