804347 has 4 divisors (see below), whose sum is σ = 818040. Its totient is φ = 790656.

The previous prime is 804341. The next prime is 804367. The reversal of 804347 is 743408.

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 804347 - 2⁶ = 804283 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 804347.

It is not an unprimeable number, because it can be changed into a prime (804341) 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, 6758 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (204510).

2⁸⁰⁴³⁴⁷ is an apocalyptic number.

804347 is a deficient number, since it is larger than the sum of its proper divisors (13693).

804347 is a wasteful number, since it uses less digits than its factorization.

804347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13692.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 804347 is about 896.8539457459. The cubic root of 804347 is about 92.9996145974. Note that the first 3 decimals are identical.

The spelling of 804347 in words is "eight hundred four thousand, three hundred forty-seven".