2440344 has 16 divisors (see below), whose sum is σ = 6100920. Its totient is φ = 813440.

The previous prime is 2440331. The next prime is 2440363. The reversal of 2440344 is 4430442.

It is a self number, because there is not a number n which added to its sum of digits gives 2440344.

It is a congruent number.

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, 50817 + ... + 50864.

2^2440344 is an apocalyptic number.

2440344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2440344 is an abundant number, since it is smaller than the sum of its proper divisors (3660576).

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

2440344 is a wasteful number, since it uses less digits than its factorization.

2440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101690 (or 101686 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2440344 is about 1562.1600430174. The cubic root of 2440344 is about 134.6326363489.

Adding to 2440344 its reverse (4430442), we get a palindrome (6870786).

It can be divided in two parts, 24 and 40344, that multiplied together give a square (968256 = 984²).

The spelling of 2440344 in words is "two million, four hundred forty thousand, three hundred forty-four".