118398056 has 16 divisors (see below), whose sum is σ = 253710240. Its totient is φ = 50742000.

The previous prime is 118398053. The next prime is 118398079. The reversal of 118398056 is 650893811.

It is not an unprimeable number, because it can be changed into a prime (118398053) 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 3 ways as a sum of consecutive naturals, for example, 1057070 + ... + 1057181.

It is an arithmetic number, because the mean of its divisors is an integer number (15856890).

Almost surely, 2^118398056 is an apocalyptic number.

It is an amenable number.

118398056 is an abundant number, since it is smaller than the sum of its proper divisors (135312184).

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

118398056 is a wasteful number, since it uses less digits than its factorization.

118398056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114264 (or 2114260 counting only the distinct ones).

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

The square root of 118398056 is about 10881.0870780451. The cubic root of 118398056 is about 491.0377230113.

The spelling of 118398056 in words is "one hundred eighteen million, three hundred ninety-eight thousand, fifty-six".