2304840 has 32 divisors (see below), whose sum is σ = 6914880. Its totient is φ = 614592.

The previous prime is 2304839. The next prime is 2304851. The reversal of 2304840 is 484032.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9484 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (216090).

2^2304840 is an apocalyptic number.

2304840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2304840 is an abundant number, since it is smaller than the sum of its proper divisors (4610040).

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

2304840 is a wasteful number, since it uses less digits than its factorization.

2304840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19221 (or 19217 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2304840 is about 1518.1699509607. The cubic root of 2304840 is about 132.0931390408.

Adding to 2304840 its reverse (484032), we get a palindrome (2788872).

The spelling of 2304840 in words is "two million, three hundred four thousand, eight hundred forty".