6804805 has 16 divisors (see below), whose sum is σ = 9388800. Its totient is φ = 4637952.

The previous prime is 6804799. The next prime is 6804839. The reversal of 6804805 is 5084086.

It is a cyclic number.

It is not a de Polignac number, because 6804805 - 2³ = 6804797 is a prime.

6804805 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6477 + ... + 7453.

It is an arithmetic number, because the mean of its divisors is an integer number (586800).

Almost surely, 2^6804805 is an apocalyptic number.

It is an amenable number.

6804805 is a deficient number, since it is larger than the sum of its proper divisors (2583995).

6804805 is a wasteful number, since it uses less digits than its factorization.

6804805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 6804805 is about 2608.6021160767. The cubic root of 6804805 is about 189.4982606942.

The spelling of 6804805 in words is "six million, eight hundred four thousand, eight hundred five".