115831198 has 24 divisors (see below), whose sum is σ = 202503672. Its totient is φ = 49546224.

The previous prime is 115831181. The next prime is 115831211. The reversal of 115831198 is 891138511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77365 + ... + 78847.

It is an arithmetic number, because the mean of its divisors is an integer number (8437653).

Almost surely, 2^115831198 is an apocalyptic number.

115831198 is a deficient number, since it is larger than the sum of its proper divisors (86672474).

115831198 is a wasteful number, since it uses less digits than its factorization.

115831198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296 (or 2289 counting only the distinct ones).

The product of its digits is 8640, while the sum is 37.

The square root of 115831198 is about 10762.4903251989. The cubic root of 115831198 is about 487.4632159841.

The spelling of 115831198 in words is "one hundred fifteen million, eight hundred thirty-one thousand, one hundred ninety-eight".