2444340 has 24 divisors (see below), whose sum is σ = 6844320. Its totient is φ = 651808.

The previous prime is 2444291. The next prime is 2444341. The reversal of 2444340 is 434442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20310 + ... + 20429.

It is an arithmetic number, because the mean of its divisors is an integer number (285180).

2^2444340 is an apocalyptic number.

2444340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444340 is an abundant number, since it is smaller than the sum of its proper divisors (4399980).

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

2444340 is a wasteful number, since it uses less digits than its factorization.

2444340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40751 (or 40749 counting only the distinct ones).

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

The square root of 2444340 is about 1563.4385181388. The cubic root of 2444340 is about 134.7060820916.

Adding to 2444340 its reverse (434442), we get a palindrome (2878782).

The spelling of 2444340 in words is "two million, four hundred forty-four thousand, three hundred forty".