118399854 has 32 divisors (see below), whose sum is σ = 241274880. Its totient is φ = 38725632.

The previous prime is 118399847. The next prime is 118399859. The reversal of 118399854 is 458993811.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118399859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153582 + ... + 154350.

It is an arithmetic number, because the mean of its divisors is an integer number (7539840).

Almost surely, 2^118399854 is an apocalyptic number.

118399854 is an abundant number, since it is smaller than the sum of its proper divisors (122875026).

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

118399854 is a wasteful number, since it uses less digits than its factorization.

118399854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its digits is 311040, while the sum is 48.

The square root of 118399854 is about 10881.1696981529. The cubic root of 118399854 is about 491.0402086415.

The spelling of 118399854 in words is "one hundred eighteen million, three hundred ninety-nine thousand, eight hundred fifty-four".