118383940 has 12 divisors (see below), whose sum is σ = 248606316. Its totient is φ = 47353568.

The previous prime is 118383931. The next prime is 118383959. The reversal of 118383940 is 49383811.

It can be written as a sum of positive squares in 2 ways, for example, as 80856064 + 37527876 = 8992^2 + 6126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118383940.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959579 + ... + 2959618.

It is an arithmetic number, because the mean of its divisors is an integer number (20717193).

Almost surely, 2^118383940 is an apocalyptic number.

118383940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118383940 is an abundant number, since it is smaller than the sum of its proper divisors (130222376).

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

118383940 is a wasteful number, since it uses less digits than its factorization.

118383940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919206 (or 5919204 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 118383940 is about 10880.4384102848. The cubic root of 118383940 is about 491.0182075895.

The spelling of 118383940 in words is "one hundred eighteen million, three hundred eighty-three thousand, nine hundred forty".