238508113 has 8 divisors (see below), whose sum is σ = 252697320. Its totient is φ = 224336640.

The previous prime is 238508107. The next prime is 238508117. The reversal of 238508113 is 311805832.

238508113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23357889 + 215150224 = 4833^2 + 14668^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238508113 is a prime.

It is a super-2 number, since 2×238508113² = 113772239933641538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238508117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31783 + ... + 38563.

It is an arithmetic number, because the mean of its divisors is an integer number (31587165).

Almost surely, 2^238508113 is an apocalyptic number.

It is an amenable number.

238508113 is a deficient number, since it is larger than the sum of its proper divisors (14189207).

238508113 is a wasteful number, since it uses less digits than its factorization.

238508113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 238508113 is about 15443.7078773201. The cubic root of 238508113 is about 620.1561460687.

The spelling of 238508113 in words is "two hundred thirty-eight million, five hundred eight thousand, one hundred thirteen".