118239892 has 12 divisors (see below), whose sum is σ = 208969236. Its totient is φ = 58534400.

The previous prime is 118239883. The next prime is 118239893. The reversal of 118239892 is 298932811.

It can be written as a sum of positive squares in 2 ways, for example, as 49084036 + 69155856 = 7006^2 + 8316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118239893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145933 + ... + 146740.

It is an arithmetic number, because the mean of its divisors is an integer number (17414103).

Almost surely, 2^118239892 is an apocalyptic number.

It is an amenable number.

118239892 is a deficient number, since it is larger than the sum of its proper divisors (90729344).

118239892 is a wasteful number, since it uses less digits than its factorization.

118239892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292778 (or 292776 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 118239892 is about 10873.8168091981. The cubic root of 118239892 is about 490.8189719555.

The spelling of 118239892 in words is "one hundred eighteen million, two hundred thirty-nine thousand, eight hundred ninety-two".