2304440 has 32 divisors (see below), whose sum is σ = 5287680. Its totient is φ = 903552.

The previous prime is 2304403. The next prime is 2304443. The reversal of 2304440 is 444032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304443) 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, 1577 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

2^2304440 is an apocalyptic number.

2304440 is a gapful number since it is divisible by the number (20) 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 2304440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643840).

2304440 is an abundant number, since it is smaller than the sum of its proper divisors (2983240).

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

2304440 is a wasteful number, since it uses less digits than its factorization.

2304440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2304440 is about 1518.0382076878. The cubic root of 2304440 is about 132.0854971058.

Adding to 2304440 its reverse (444032), we get a palindrome (2748472).

It can be divided in two parts, 2304 and 440, that added together give a cube (2744 = 14³).

The spelling of 2304440 in words is "two million, three hundred four thousand, four hundred forty".