6804439 has 4 divisors (see below), whose sum is σ = 6814456. Its totient is φ = 6794424.

The previous prime is 6804433. The next prime is 6804443. The reversal of 6804439 is 9344086.

6804439 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.

It is a cyclic number.

It is not a de Polignac number, because 6804439 - 2³ = 6804431 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 (6804431) 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, 3909 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (1703614).

Almost surely, 2^6804439 is an apocalyptic number.

6804439 is a deficient number, since it is larger than the sum of its proper divisors (10017).

6804439 is an equidigital number, since it uses as much as digits as its factorization.

6804439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6804439 is about 2608.5319626181. The cubic root of 6804439 is about 189.4948632122.

The spelling of 6804439 in words is "six million, eight hundred four thousand, four hundred thirty-nine".