2009344 has 36 divisors (see below), whose sum is σ = 4120704. Its totient is φ = 977408.

The previous prime is 2009339. The next prime is 2009377. The reversal of 2009344 is 4439002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11949 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (114464).

2^2009344 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 2009344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060352).

2009344 is an abundant number, since it is smaller than the sum of its proper divisors (2111360).

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

2009344 is an equidigital number, since it uses as much as digits as its factorization.

2009344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2009344 is about 1417.5133156341. The cubic root of 2009344 is about 126.1880119180.

The spelling of 2009344 in words is "two million, nine thousand, three hundred forty-four".