115889198 has 8 divisors (see below), whose sum is σ = 175626192. Its totient is φ = 57347136.

The previous prime is 115889173. The next prime is 115889201. The reversal of 115889198 is 891988511.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298490 + ... + 298877.

It is an arithmetic number, because the mean of its divisors is an integer number (21953274).

Almost surely, 2^115889198 is an apocalyptic number.

115889198 is a deficient number, since it is larger than the sum of its proper divisors (59736994).

115889198 is an equidigital number, since it uses as much as digits as its factorization.

115889198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597466.

The product of its digits is 207360, while the sum is 50.

The square root of 115889198 is about 10765.1845316279. The cubic root of 115889198 is about 487.5445646746.

The spelling of 115889198 in words is "one hundred fifteen million, eight hundred eighty-nine thousand, one hundred ninety-eight".