112989444 has 24 divisors (see below), whose sum is σ = 263940768. Its totient is φ = 37620480.

The previous prime is 112989439. The next prime is 112989449. The reversal of 112989444 is 444989211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112989439) and next prime (112989449).

It is a super-2 number, since 2×112989444² = 25533228910858272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112989396 and 112989405.

It is not an unprimeable number, because it can be changed into a prime (112989449) 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 7 ways as a sum of consecutive naturals, for example, 6804 + ... + 16500.

It is an arithmetic number, because the mean of its divisors is an integer number (10997532).

Almost surely, 2^112989444 is an apocalyptic number.

It is an amenable number.

112989444 is an abundant number, since it is smaller than the sum of its proper divisors (150951324).

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

112989444 is a wasteful number, since it uses less digits than its factorization.

112989444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675 (or 10673 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 112989444 is about 10629.6492886642. The cubic root of 112989444 is about 483.4437579910.

The spelling of 112989444 in words is "one hundred twelve million, nine hundred eighty-nine thousand, four hundred forty-four".