112009986 has 64 divisors (see below), whose sum is σ = 272937600. Its totient is φ = 33768000.

The previous prime is 112009981. The next prime is 112009987. The reversal of 112009986 is 689900211.

It is a self number, because there is not a number n which added to its sum of digits gives 112009986.

It is not an unprimeable number, because it can be changed into a prime (112009981) 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 31 ways as a sum of consecutive naturals, for example, 159436 + ... + 160136.

It is an arithmetic number, because the mean of its divisors is an integer number (4264650).

Almost surely, 2^112009986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112009986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136468800).

112009986 is an abundant number, since it is smaller than the sum of its proper divisors (160927614).

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

112009986 is a wasteful number, since it uses less digits than its factorization.

112009986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 112009986 is about 10583.4770278959. The cubic root of 112009986 is about 482.0427784097.

The spelling of 112009986 in words is "one hundred twelve million, nine thousand, nine hundred eighty-six".