118643384 has 16 divisors (see below), whose sum is σ = 232128720. Its totient is φ = 56742400.

The previous prime is 118643377. The next prime is 118643411. The reversal of 118643384 is 483346811.

It is a congruent number.

It is an unprimeable number.

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, 322217 + ... + 322584.

It is an arithmetic number, because the mean of its divisors is an integer number (14508045).

Almost surely, 2^118643384 is an apocalyptic number.

It is an amenable number.

118643384 is a deficient number, since it is larger than the sum of its proper divisors (113485336).

118643384 is a wasteful number, since it uses less digits than its factorization.

118643384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644830 (or 644826 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 118643384 is about 10892.3543827769. The cubic root of 118643384 is about 491.3766424114.

The spelling of 118643384 in words is "one hundred eighteen million, six hundred forty-three thousand, three hundred eighty-four".