118818238 has 24 divisors (see below), whose sum is σ = 226175544. Its totient is φ = 46292400.

The previous prime is 118818233. The next prime is 118818241. The reversal of 118818238 is 832818811.

It is a self number, because there is not a number n which added to its sum of digits gives 118818238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118818233) 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, 54033 + ... + 56188.

It is an arithmetic number, because the mean of its divisors is an integer number (9423981).

Almost surely, 2^118818238 is an apocalyptic number.

118818238 is a deficient number, since it is larger than the sum of its proper divisors (107357306).

118818238 is a wasteful number, since it uses less digits than its factorization.

118818238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110248 (or 110241 counting only the distinct ones).

The product of its digits is 24576, while the sum is 40.

The square root of 118818238 is about 10900.3778833580. The cubic root of 118818238 is about 491.6179172707.

The spelling of 118818238 in words is "one hundred eighteen million, eight hundred eighteen thousand, two hundred thirty-eight".