2304393 has 32 divisors (see below), whose sum is σ = 3956736. Its totient is φ = 1159488.

The previous prime is 2304389. The next prime is 2304403. The reversal of 2304393 is 3934032.

It is not a de Polignac number, because 2304393 - 2² = 2304389 is a prime.

It is an Ulam number.

It is a Curzon number.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6096 + ... + 6462.

It is an arithmetic number, because the mean of its divisors is an integer number (123648).

2^2304393 is an apocalyptic number.

2304393 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2304393 is a deficient number, since it is larger than the sum of its proper divisors (1652343).

2304393 is a wasteful number, since it uses less digits than its factorization.

2304393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 2304393 is about 1518.0227271026. The cubic root of 2304393 is about 132.0845991203.

The spelling of 2304393 in words is "two million, three hundred four thousand, three hundred ninety-three".