112989448 has 64 divisors (see below), whose sum is σ = 250488000. Its totient is φ = 47105280.

The previous prime is 112989439. The next prime is 112989449. The reversal of 112989448 is 844989211.

It is a junction number, because it is equal to n+sod(n) for n = 112989398 and 112989407.

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 15 ways as a sum of consecutive naturals, for example, 323578 + ... + 323926.

It is an arithmetic number, because the mean of its divisors is an integer number (3913875).

Almost surely, 2^112989448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112989448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125244000).

112989448 is an abundant number, since it is smaller than the sum of its proper divisors (137498552).

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

112989448 is a wasteful number, since it uses less digits than its factorization.

112989448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 658 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 112989448 is about 10629.6494768172. The cubic root of 112989448 is about 483.4437636958.

The spelling of 112989448 in words is "one hundred twelve million, nine hundred eighty-nine thousand, four hundred forty-eight".