804947593 has 2 divisors, whose sum is σ = 804947594. Its totient is φ = 804947592.

The previous prime is 804947579. The next prime is 804947599. The reversal of 804947593 is 395749408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763306384 + 41641209 = 27628^2 + 6453^2 .

It is a cyclic number.

It is not a de Polignac number, because 804947593 - 2¹⁷ = 804816521 is a prime.

It is not a weakly prime, because it can be changed into another prime (804947599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402473796 + 402473797.

It is an arithmetic number, because the mean of its divisors is an integer number (402473797).

Almost surely, 2^804947593 is an apocalyptic number.

It is an amenable number.

804947593 is a deficient number, since it is larger than the sum of its proper divisors (1).

804947593 is an equidigital number, since it uses as much as digits as its factorization.

804947593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 804947593 is about 28371.5983511680. The cubic root of 804947593 is about 930.2275594530.

The spelling of 804947593 in words is "eight hundred four million, nine hundred forty-seven thousand, five hundred ninety-three".