118309856 has 96 divisors (see below), whose sum is σ = 277820928. Its totient is φ = 48545280.

The previous prime is 118309843. The next prime is 118309897. The reversal of 118309856 is 658903811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683786 + ... + 683958.

It is an arithmetic number, because the mean of its divisors is an integer number (2893968).

Almost surely, 2^118309856 is an apocalyptic number.

118309856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118309856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138910464).

118309856 is an abundant number, since it is smaller than the sum of its proper divisors (159511072).

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

118309856 is a wasteful number, since it uses less digits than its factorization.

118309856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 118309856 is about 10877.0334190900. The cubic root of 118309856 is about 490.9157607441.

The spelling of 118309856 in words is "one hundred eighteen million, three hundred nine thousand, eight hundred fifty-six".