2304705 has 32 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 1108224.

The previous prime is 2304691. The next prime is 2304721. The reversal of 2304705 is 5074032.

It is a happy number.

It is not a de Polignac number, because 2304705 - 2⁴ = 2304689 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10224 + ... + 10446.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

2^2304705 is an apocalyptic number.

It is an amenable number.

2304705 is a deficient number, since it is larger than the sum of its proper divisors (1759551).

2304705 is a wasteful number, since it uses less digits than its factorization.

2304705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2304705 is about 1518.1254888842. The cubic root of 2304705 is about 132.0905599866.

Adding to 2304705 its reverse (5074032), we get a palindrome (7378737).

The spelling of 2304705 in words is "two million, three hundred four thousand, seven hundred five".