2744244 has 36 divisors (see below), whose sum is σ = 7163520. Its totient is φ = 884880.

The previous prime is 2744243. The next prime is 2744257. The reversal of 2744244 is 4424472.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114 + ... + 2345.

2^2744244 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 2744244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3581760).

2744244 is an abundant number, since it is smaller than the sum of its proper divisors (4419276).

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

2744244 is a wasteful number, since it uses less digits than its factorization.

2744244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2495 counting only the distinct ones).

The product of its digits is 7168, while the sum is 27.

The square root of 2744244 is about 1656.5759867872. The cubic root of 2744244 is about 140.0041495369.

The spelling of 2744244 in words is "two million, seven hundred forty-four thousand, two hundred forty-four".