111938898 has 32 divisors (see below), whose sum is σ = 232248960. Its totient is φ = 35925120.

The previous prime is 111938891. The next prime is 111938917. The reversal of 111938898 is 898839111.

It is not an unprimeable number, because it can be changed into a prime (111938891) 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, 84078 + ... + 85398.

It is an arithmetic number, because the mean of its divisors is an integer number (7257780).

Almost surely, 2^111938898 is an apocalyptic number.

111938898 is an abundant number, since it is smaller than the sum of its proper divisors (120310062).

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

111938898 is a wasteful number, since it uses less digits than its factorization.

111938898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its digits is 124416, while the sum is 48.

The square root of 111938898 is about 10580.1180522714. The cubic root of 111938898 is about 481.9407794416.

The spelling of 111938898 in words is "one hundred eleven million, nine hundred thirty-eight thousand, eight hundred ninety-eight".