118394420 has 12 divisors (see below), whose sum is σ = 248628324. Its totient is φ = 47357760.

The previous prime is 118394401. The next prime is 118394449. The reversal of 118394420 is 24493811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38613796 + 79780624 = 6214^2 + 8932^2 .

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, 2959841 + ... + 2959880.

It is an arithmetic number, because the mean of its divisors is an integer number (20719027).

Almost surely, 2^118394420 is an apocalyptic number.

118394420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118394420 is an abundant number, since it is smaller than the sum of its proper divisors (130233904).

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

118394420 is a wasteful number, since it uses less digits than its factorization.

118394420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919730 (or 5919728 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 118394420 is about 10880.9199978678. The cubic root of 118394420 is about 491.0326963763.

The spelling of 118394420 in words is "one hundred eighteen million, three hundred ninety-four thousand, four hundred twenty".