804444049 has 2 divisors, whose sum is σ = 804444050. Its totient is φ = 804444048.

The previous prime is 804444019. The next prime is 804444101. The reversal of 804444049 is 940444408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804289600 + 154449 = 28360^2 + 393^2 .

It is a cyclic number.

It is not a de Polignac number, because 804444049 - 2²⁷ = 670226321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804443999 and 804444017.

It is not a weakly prime, because it can be changed into another prime (804444019) 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, 402222024 + 402222025.

It is an arithmetic number, because the mean of its divisors is an integer number (402222025).

Almost surely, 2^804444049 is an apocalyptic number.

It is an amenable number.

804444049 is a deficient number, since it is larger than the sum of its proper divisors (1).

804444049 is an equidigital number, since it uses as much as digits as its factorization.

804444049 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 37.

The square root of 804444049 is about 28362.7228770441. The cubic root of 804444049 is about 930.0335475623.

The spelling of 804444049 in words is "eight hundred four million, four hundred forty-four thousand, forty-nine".