2304765 has 12 divisors (see below), whose sum is σ = 3995004. Its totient is φ = 1229184.

The previous prime is 2304749. The next prime is 2304773. The reversal of 2304765 is 5674032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 1505529 = 894^2 + 1227^2 .

It is not a de Polignac number, because 2304765 - 2⁴ = 2304749 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

2304765 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25564 + ... + 25653.

It is an arithmetic number, because the mean of its divisors is an integer number (332917).

2^2304765 is an apocalyptic number.

It is an amenable number.

2304765 is a deficient number, since it is larger than the sum of its proper divisors (1690239).

2304765 is a wasteful number, since it uses less digits than its factorization.

2304765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51228 (or 51225 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2304765 is about 1518.1452499679. The cubic root of 2304765 is about 132.0917062453.

Adding to 2304765 its reverse (5674032), we get a palindrome (7978797).

The spelling of 2304765 in words is "two million, three hundred four thousand, seven hundred sixty-five".