804799 has 4 divisors (see below), whose sum is σ = 811264. Its totient is φ = 798336.

The previous prime is 804767. The next prime is 804803. The reversal of 804799 is 997408.

It is a happy number.

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 804799 - 2⁵ = 804767 is a prime.

It is a Duffinian number.

804799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804709) by changing a digit.

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, 3042 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (202816).

2⁸⁰⁴⁷⁹⁹ is an apocalyptic number.

804799 is a deficient number, since it is larger than the sum of its proper divisors (6465).

804799 is a wasteful number, since it uses less digits than its factorization.

804799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 804799 is about 897.1059023326. The cubic root of 804799 is about 93.0170316053.

The spelling of 804799 in words is "eight hundred four thousand, seven hundred ninety-nine".