118383839 has 8 divisors (see below), whose sum is σ = 135390240. Its totient is φ = 101401056.

The previous prime is 118383833. The next prime is 118383847. The reversal of 118383839 is 938383811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118383839 - 2⁸ = 118383583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118383839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118383833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6617 + ... + 16749.

It is an arithmetic number, because the mean of its divisors is an integer number (16923780).

Almost surely, 2^118383839 is an apocalyptic number.

118383839 is a deficient number, since it is larger than the sum of its proper divisors (17006401).

118383839 is a wasteful number, since it uses less digits than its factorization.

118383839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11809.

The product of its digits is 124416, while the sum is 44.

The square root of 118383839 is about 10880.4337689267. The cubic root of 118383839 is about 491.0180679511.

It can be divided in two parts, 11 and 8383839, that multiplied together give a palindrome (92222229).

The spelling of 118383839 in words is "one hundred eighteen million, three hundred eighty-three thousand, eight hundred thirty-nine".