118193982 has 8 divisors (see below), whose sum is σ = 236387976. Its totient is φ = 39397992.

The previous prime is 118193981. The next prime is 118193983. The reversal of 118193982 is 289391811.

It is an interprime number because it is at equal distance from previous prime (118193981) and next prime (118193983).

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

118193982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118193981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9849493 + ... + 9849504.

It is an arithmetic number, because the mean of its divisors is an integer number (29548497).

Almost surely, 2^118193982 is an apocalyptic number.

118193982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118193982 is a wasteful number, since it uses less digits than its factorization.

118193982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19699002.

The product of its digits is 31104, while the sum is 42.

The square root of 118193982 is about 10871.7055699646. The cubic root of 118193982 is about 490.7554389248.

The spelling of 118193982 in words is "one hundred eighteen million, one hundred ninety-three thousand, nine hundred eighty-two".