804447 has 18 divisors (see below), whose sum is σ = 1339832. Its totient is φ = 455616.

The previous prime is 804443. The next prime is 804449. The reversal of 804447 is 744408.

It is not a de Polignac number, because 804447 - 2² = 804443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 804447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7063 + ... + 7175.

2⁸⁰⁴⁴⁴⁷ is an apocalyptic number.

804447 is a deficient number, since it is larger than the sum of its proper divisors (535385).

804447 is a wasteful number, since it uses less digits than its factorization.

804447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 804447 is about 896.9096944509. The cubic root of 804447 is about 93.0034684797.

The spelling of 804447 in words is "eight hundred four thousand, four hundred forty-seven".