6804393 has 4 divisors (see below), whose sum is σ = 9072528. Its totient is φ = 4536260.

The previous prime is 6804377. The next prime is 6804397. The reversal of 6804393 is 3934086.

6804393 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6804393 - 2⁴ = 6804377 is a prime.

It is a D-number.

It is a Curzon number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (6804397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134063 + ... + 1134068.

It is an arithmetic number, because the mean of its divisors is an integer number (2268132).

Almost surely, 2^6804393 is an apocalyptic number.

It is an amenable number.

6804393 is a deficient number, since it is larger than the sum of its proper divisors (2268135).

6804393 is a wasteful number, since it uses less digits than its factorization.

6804393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268134.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 6804393 is about 2608.5231453832. The cubic root of 6804393 is about 189.4944361977.

The spelling of 6804393 in words is "six million, eight hundred four thousand, three hundred ninety-three".