115851898 has 32 divisors (see below), whose sum is σ = 185794560. Its totient is φ = 54090480.

The previous prime is 115851893. The next prime is 115851919. The reversal of 115851898 is 898158511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115851893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241623 + ... + 242101.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^115851898 is an apocalyptic number.

115851898 is a deficient number, since it is larger than the sum of its proper divisors (69942662).

115851898 is a wasteful number, since it uses less digits than its factorization.

115851898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 115200, while the sum is 46.

The square root of 115851898 is about 10763.4519555763. The cubic root of 115851898 is about 487.4922521670.

The spelling of 115851898 in words is "one hundred fifteen million, eight hundred fifty-one thousand, eight hundred ninety-eight".