444289 has 2 divisors, whose sum is σ = 444290. Its totient is φ = 444288.

The previous prime is 444287. The next prime is 444293. The reversal of 444289 is 982444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270400 + 173889 = 520^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 444289 - 2¹ = 444287 is a prime.

Together with 444287, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 444289.

It is not a weakly prime, because it can be changed into another prime (444281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222144 + 222145.

It is an arithmetic number, because the mean of its divisors is an integer number (222145).

2⁴⁴⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

444289 is a deficient number, since it is larger than the sum of its proper divisors (1).

444289 is an equidigital number, since it uses as much as digits as its factorization.

444289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 444289 is about 666.5500731378. The cubic root of 444289 is about 76.3053848260.

The spelling of 444289 in words is "four hundred forty-four thousand, two hundred eighty-nine".