2304813 has 12 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 1316952.

The previous prime is 2304803. The next prime is 2304823. The reversal of 2304813 is 3184032.

It is a happy number.

2304813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2304803) and next prime (2304823).

It is not a de Polignac number, because 2304813 - 2⁵ = 2304781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2304813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7693 + ... + 7986.

It is an arithmetic number, because the mean of its divisors is an integer number (297920).

2^2304813 is an apocalyptic number.

It is an amenable number.

2304813 is a deficient number, since it is larger than the sum of its proper divisors (1270227).

2304813 is a wasteful number, since it uses less digits than its factorization.

2304813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15696 (or 15689 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2304813 is about 1518.1610586496. The cubic root of 2304813 is about 132.0926232380.

Adding to 2304813 its reverse (3184032), we get a palindrome (5488845).

The spelling of 2304813 in words is "two million, three hundred four thousand, eight hundred thirteen".