804847 has 2 divisors, whose sum is σ = 804848. Its totient is φ = 804846.

The previous prime is 804833. The next prime is 804857. The reversal of 804847 is 748408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804847 - 2¹¹ = 802799 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 804847.

It is not a weakly prime, because it can be changed into another prime (804857) 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 as a sum of consecutive naturals, namely, 402423 + 402424.

It is an arithmetic number, because the mean of its divisors is an integer number (402424).

2⁸⁰⁴⁸⁴⁷ is an apocalyptic number.

804847 is a deficient number, since it is larger than the sum of its proper divisors (1).

804847 is an equidigital number, since it uses as much as digits as its factorization.

804847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 804847 is about 897.1326546281. The cubic root of 804847 is about 93.0188808160.

The spelling of 804847 in words is "eight hundred four thousand, eight hundred forty-seven".