118238379 has 16 divisors (see below), whose sum is σ = 180330240. Its totient is φ = 67505760.

The previous prime is 118238363. The next prime is 118238381. The reversal of 118238379 is 973832811.

It is not a de Polignac number, because 118238379 - 2⁴ = 118238363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118238379.

It is not an unprimeable number, because it can be changed into a prime (118238399) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36477 + ... + 39585.

It is an arithmetic number, because the mean of its divisors is an integer number (11270640).

Almost surely, 2^118238379 is an apocalyptic number.

118238379 is a deficient number, since it is larger than the sum of its proper divisors (62091861).

118238379 is a wasteful number, since it uses less digits than its factorization.

118238379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930.

The product of its digits is 72576, while the sum is 42.

The square root of 118238379 is about 10873.7472381879. The cubic root of 118238379 is about 490.8168784368.

It can be divided in two parts, 11823 and 8379, that added together give a palindrome (20202).

The spelling of 118238379 in words is "one hundred eighteen million, two hundred thirty-eight thousand, three hundred seventy-nine".