6804605 has 4 divisors (see below), whose sum is σ = 8165532. Its totient is φ = 5443680.

The previous prime is 6804583. The next prime is 6804649. The reversal of 6804605 is 5064086.

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 4605316 + 2199289 = 2146^2 + 1483^2 .

It is not a de Polignac number, because 6804605 - 2¹⁸ = 6542461 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 680456 + ... + 680465.

It is an arithmetic number, because the mean of its divisors is an integer number (2041383).

Almost surely, 2^6804605 is an apocalyptic number.

It is an amenable number.

6804605 is a deficient number, since it is larger than the sum of its proper divisors (1360927).

6804605 is a wasteful number, since it uses less digits than its factorization.

6804605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360926.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 6804605 is about 2608.5637810872. The cubic root of 6804605 is about 189.4964041618.

The spelling of 6804605 in words is "six million, eight hundred four thousand, six hundred five".