6804305 has 4 divisors (see below), whose sum is σ = 8165172. Its totient is φ = 5443440.

The previous prime is 6804289. The next prime is 6804311. The reversal of 6804305 is 5034086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3179089 + 3625216 = 1783^2 + 1904^2 .

It is not a de Polignac number, because 6804305 - 2⁴ = 6804289 is a prime.

It is a Duffinian number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 680426 + ... + 680435.

It is an arithmetic number, because the mean of its divisors is an integer number (2041293).

Almost surely, 2^6804305 is an apocalyptic number.

It is an amenable number.

6804305 is a deficient number, since it is larger than the sum of its proper divisors (1360867).

6804305 is a wasteful number, since it uses less digits than its factorization.

6804305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360866.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6804305 is about 2608.5062775466. The cubic root of 6804305 is about 189.4936192949.

The spelling of 6804305 in words is "six million, eight hundred four thousand, three hundred five".