804443 has 2 divisors, whose sum is σ = 804444. Its totient is φ = 804442.

The previous prime is 804409. The next prime is 804449. The reversal of 804443 is 344408.

804443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804443 - 2¹⁸ = 542299 is a prime.

It is equal to p₆₄₂₇₄ and since 804443 and 64274 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (804449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402221 + 402222.

It is an arithmetic number, because the mean of its divisors is an integer number (402222).

2⁸⁰⁴⁴⁴³ is an apocalyptic number.

804443 is a deficient number, since it is larger than the sum of its proper divisors (1).

804443 is an equidigital number, since it uses as much as digits as its factorization.

804443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 804443 is about 896.9074645692. The cubic root of 804443 is about 93.0033143306.

The spelling of 804443 in words is "eight hundred four thousand, four hundred forty-three".