238108117 has 8 divisors (see below), whose sum is σ = 264696320. Its totient is φ = 212701680.

The previous prime is 238108097. The next prime is 238108139. The reversal of 238108117 is 711801832.

It is a happy number.

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-238108117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238108147) 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, 295017 + ... + 295822.

It is an arithmetic number, because the mean of its divisors is an integer number (33087040).

Almost surely, 2^238108117 is an apocalyptic number.

It is an amenable number.

238108117 is a deficient number, since it is larger than the sum of its proper divisors (26588203).

238108117 is a wasteful number, since it uses less digits than its factorization.

238108117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590883.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 238108117 is about 15430.7523147771. The cubic root of 238108117 is about 619.8092692885.

Adding to 238108117 its reverse (711801832), we get a palindrome (949909949).

The spelling of 238108117 in words is "two hundred thirty-eight million, one hundred eight thousand, one hundred seventeen".