2304399 has 4 divisors (see below), whose sum is σ = 3072536. Its totient is φ = 1536264.

The previous prime is 2304389. The next prime is 2304403. The reversal of 2304399 is 9934032.

2304399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2304399 - 2⁷ = 2304271 is a prime.

It is a D-number.

It is a Duffinian number.

2304399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304319) 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 3 ways as a sum of consecutive naturals, for example, 384064 + ... + 384069.

It is an arithmetic number, because the mean of its divisors is an integer number (768134).

2^2304399 is an apocalyptic number.

2304399 is a deficient number, since it is larger than the sum of its proper divisors (768137).

2304399 is an equidigital number, since it uses as much as digits as its factorization.

2304399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768136.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 2304399 is about 1518.0247033563. The cubic root of 2304399 is about 132.0847137575.

The spelling of 2304399 in words is "two million, three hundred four thousand, three hundred ninety-nine".