115388238 has 24 divisors (see below), whose sum is σ = 268454952. Its totient is φ = 32967984.

The previous prime is 115388201. The next prime is 115388321. The reversal of 115388238 is 832883511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115388196 and 115388205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195945 + ... + 196532.

It is an arithmetic number, because the mean of its divisors is an integer number (11185623).

Almost surely, 2^115388238 is an apocalyptic number.

115388238 is an abundant number, since it is smaller than the sum of its proper divisors (153066714).

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

115388238 is a wasteful number, since it uses less digits than its factorization.

115388238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392496 (or 392489 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 115388238 is about 10741.8917328374. The cubic root of 115388238 is about 486.8410389308.

The spelling of 115388238 in words is "one hundred fifteen million, three hundred eighty-eight thousand, two hundred thirty-eight".