804886321 has 2 divisors, whose sum is σ = 804886322. Its totient is φ = 804886320.

The previous prime is 804886307. The next prime is 804886331. The reversal of 804886321 is 123688408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659924721 + 144961600 = 25689^2 + 12040^2 .

It is a cyclic number.

It is not a de Polignac number, because 804886321 - 2¹⁹ = 804362033 is a prime.

It is not a weakly prime, because it can be changed into another prime (804886331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402443160 + 402443161.

It is an arithmetic number, because the mean of its divisors is an integer number (402443161).

Almost surely, 2^804886321 is an apocalyptic number.

It is an amenable number.

804886321 is a deficient number, since it is larger than the sum of its proper divisors (1).

804886321 is an equidigital number, since it uses as much as digits as its factorization.

804886321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 804886321 is about 28370.5185183493. The cubic root of 804886321 is about 930.2039561155.

The spelling of 804886321 in words is "eight hundred four million, eight hundred eighty-six thousand, three hundred twenty-one".