112809344 has 32 divisors (see below), whose sum is σ = 227921040. Its totient is φ = 55605760.

The previous prime is 112809343. The next prime is 112809349. The reversal of 112809344 is 443908211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 112809344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112809343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882 + ... + 15294.

Almost surely, 2^112809344 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 112809344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113960520).

112809344 is an abundant number, since it is smaller than the sum of its proper divisors (115111696).

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

112809344 is an equidigital number, since it uses as much as digits as its factorization.

112809344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498 (or 12486 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 112809344 is about 10621.1743230210. The cubic root of 112809344 is about 483.1867589898.

The spelling of 112809344 in words is "one hundred twelve million, eight hundred nine thousand, three hundred forty-four".