118388394 has 24 divisors (see below), whose sum is σ = 261967680. Its totient is φ = 38622888.

The previous prime is 118388377. The next prime is 118388399. The reversal of 118388394 is 493883811.

118388394 is a `hidden beast` number, since 1 + 183 + 88 + 394 = 666.

It is not an unprimeable number, because it can be changed into a prime (118388399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69124 + ... + 70815.

It is an arithmetic number, because the mean of its divisors is an integer number (10915320).

Almost surely, 2^118388394 is an apocalyptic number.

118388394 is an abundant number, since it is smaller than the sum of its proper divisors (143579286).

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

118388394 is a wasteful number, since it uses less digits than its factorization.

118388394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139994 (or 139991 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 118388394 is about 10880.6430876121. The cubic root of 118388394 is about 491.0243654284.

The spelling of 118388394 in words is "one hundred eighteen million, three hundred eighty-eight thousand, three hundred ninety-four".