118889838 has 24 divisors (see below), whose sum is σ = 261963000. Its totient is φ = 38957904.

The previous prime is 118889819. The next prime is 118889851. The reversal of 118889838 is 838988811.

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, 54913 + ... + 57036.

It is an arithmetic number, because the mean of its divisors is an integer number (10915125).

Almost surely, 2^118889838 is an apocalyptic number.

118889838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

118889838 is an abundant number, since it is smaller than the sum of its proper divisors (143073162).

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

118889838 is a wasteful number, since it uses less digits than its factorization.

118889838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112016 (or 112013 counting only the distinct ones).

The product of its digits is 884736, while the sum is 54.

The square root of 118889838 is about 10903.6616785372. The cubic root of 118889838 is about 491.7166472731.

The spelling of 118889838 in words is "one hundred eighteen million, eight hundred eighty-nine thousand, eight hundred thirty-eight".