2321304 has 24 divisors (see below), whose sum is σ = 5821980. Its totient is φ = 771280.

The previous prime is 2321281. The next prime is 2321309. The reversal of 2321304 is 4031232.

2321304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321309) 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 5 ways as a sum of consecutive naturals, for example, 7309 + ... + 7619.

2^2321304 is an apocalyptic number.

2321304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2321304 is an abundant number, since it is smaller than the sum of its proper divisors (3500676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321304 is an equidigital number, since it uses as much as digits as its factorization.

2321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2321304 is about 1523.5826200111. The cubic root of 2321304 is about 132.4069169419.

Adding to 2321304 its reverse (4031232), we get a palindrome (6352536).

The spelling of 2321304 in words is "two million, three hundred twenty-one thousand, three hundred four".