2309112 has 48 divisors (see below), whose sum is σ = 6737640. Its totient is φ = 710208.

The previous prime is 2309081. The next prime is 2309113. The reversal of 2309112 is 2119032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298 + ... + 2169.

2^2309112 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 2309112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3368820).

2309112 is an abundant number, since it is smaller than the sum of its proper divisors (4428528).

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

2309112 is a wasteful number, since it uses less digits than its factorization.

2309112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2309112 is about 1519.5762567242. The cubic root of 2309112 is about 132.1746998152.

The spelling of 2309112 in words is "two million, three hundred nine thousand, one hundred twelve".