443369 has 2 divisors, whose sum is σ = 443370. Its totient is φ = 443368.

The previous prime is 443363. The next prime is 443389. The reversal of 443369 is 963344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375769 + 67600 = 613^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 443369 - 2⁴ = 443353 is a prime.

It is a super-2 number, since 2×443369² = 393152140322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (443363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221684 + 221685.

It is an arithmetic number, because the mean of its divisors is an integer number (221685).

2⁴⁴³³⁶⁹ is an apocalyptic number.

It is an amenable number.

443369 is a deficient number, since it is larger than the sum of its proper divisors (1).

443369 is an equidigital number, since it uses as much as digits as its factorization.

443369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 443369 is about 665.8595948096. The cubic root of 443369 is about 76.2526792931.

The spelling of 443369 in words is "four hundred forty-three thousand, three hundred sixty-nine".