118390983 has 8 divisors (see below), whose sum is σ = 158262000. Its totient is φ = 78723648.

The previous prime is 118390969. The next prime is 118390991. The reversal of 118390983 is 389093811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118390983 - 2¹² = 118386887 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118390183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49558 + ... + 51891.

It is an arithmetic number, because the mean of its divisors is an integer number (19782750).

Almost surely, 2^118390983 is an apocalyptic number.

118390983 is a deficient number, since it is larger than the sum of its proper divisors (39871017).

118390983 is a wasteful number, since it uses less digits than its factorization.

118390983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101841.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 118390983 is about 10880.7620597089. The cubic root of 118390983 is about 491.0279447567.

The spelling of 118390983 in words is "one hundred eighteen million, three hundred ninety thousand, nine hundred eighty-three".