2304943 has 4 divisors (see below), whose sum is σ = 2379328. Its totient is φ = 2230560.

The previous prime is 2304937. The next prime is 2304961. The reversal of 2304943 is 3494032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2304943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37146 + ... + 37207.

It is an arithmetic number, because the mean of its divisors is an integer number (594832).

2^2304943 is an apocalyptic number.

2304943 is a deficient number, since it is larger than the sum of its proper divisors (74385).

2304943 is an equidigital number, since it uses as much as digits as its factorization.

2304943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74384.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2304943 is about 1518.2038730026. The cubic root of 2304943 is about 132.0951066959.

Adding to 2304943 its reverse (3494032), we get a palindrome (5798975).

The spelling of 2304943 in words is "two million, three hundred four thousand, nine hundred forty-three".