2644344 has 48 divisors (see below), whose sum is σ = 7542600. Its totient is φ = 834624.

The previous prime is 2644339. The next prime is 2644357. The reversal of 2644344 is 4434462.

2644344 is nontrivially palindromic in base 7.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402 + ... + 2334.

2^2644344 is an apocalyptic number.

2644344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2644344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3771300).

2644344 is an abundant number, since it is smaller than the sum of its proper divisors (4898256).

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

2644344 is a wasteful number, since it uses less digits than its factorization.

2644344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1957 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 2644344 is about 1626.1439050711. The cubic root of 2644344 is about 138.2842283089.

The spelling of 2644344 in words is "two million, six hundred forty-four thousand, three hundred forty-four".