115939842 has 16 divisors (see below), whose sum is σ = 231996960. Its totient is φ = 38627072.

The previous prime is 115939799. The next prime is 115939861. The reversal of 115939842 is 248939511.

It is a junction number, because it is equal to n+sod(n) for n = 115939794 and 115939803.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13009 + ... + 20027.

It is an arithmetic number, because the mean of its divisors is an integer number (14499810).

Almost surely, 2^115939842 is an apocalyptic number.

115939842 is an abundant number, since it is smaller than the sum of its proper divisors (116057118).

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

115939842 is a wasteful number, since it uses less digits than its factorization.

115939842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9777.

The product of its digits is 77760, while the sum is 42.

The square root of 115939842 is about 10767.5364870522. The cubic root of 115939842 is about 487.6155739131.

The spelling of 115939842 in words is "one hundred fifteen million, nine hundred thirty-nine thousand, eight hundred forty-two".