6400304 has 20 divisors (see below), whose sum is σ = 12447864. Its totient is φ = 3187968.

The previous prime is 6400259. The next prime is 6400349. The reversal of 6400304 is 4030046.

6400304 is digitally balanced in base 5, 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 (6400259) and next prime (6400349).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4799 + ... + 5985.

Almost surely, 2^6400304 is an apocalyptic number.

It is an amenable number.

6400304 is a deficient number, since it is larger than the sum of its proper divisors (6047560).

6400304 is a wasteful number, since it uses less digits than its factorization.

6400304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 6400304 is about 2529.8822106968. The cubic root of 6400304 is about 185.6664929709. Note that the first 3 decimals are identical.

The spelling of 6400304 in words is "six million, four hundred thousand, three hundred four".