444443 has 2 divisors, whose sum is σ = 444444. Its totient is φ = 444442.

The previous prime is 444421. The next prime is 444449. The reversal of 444443 is 344444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444443 - 2⁸ = 444187 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 4² + 4² + 4⁵ + 4⁶ + 4⁹ + 3¹¹ .

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 444443.

It is not a weakly prime, because it can be changed into another prime (444449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222221 + 222222.

It is an arithmetic number, because the mean of its divisors is an integer number (222222).

2⁴⁴⁴⁴⁴³ is an apocalyptic number.

444443 is a deficient number, since it is larger than the sum of its proper divisors (1).

444443 is an equidigital number, since it uses as much as digits as its factorization.

444443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 23.

The square root of 444443 is about 666.6655833325. The cubic root of 444443 is about 76.3142001630.

Adding to 444443 its reverse (344444), we get a palindrome (788887).

Subtracting from 444443 its reverse (344444), we obtain a palindrome (99999).

The spelling of 444443 in words is "four hundred forty-four thousand, four hundred forty-three", and thus it is an iban number.