444789 has 12 divisors (see below), whose sum is σ = 652236. Its totient is φ = 292032.

The previous prime is 444767. The next prime is 444791. The reversal of 444789 is 987444.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 66564 = 615^2 + 258^2 .

It is not a de Polignac number, because 444789 - 2¹⁷ = 313717 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444739) 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 in 11 ways as a sum of consecutive naturals, for example, 319 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (54353).

2⁴⁴⁴⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

444789 is a deficient number, since it is larger than the sum of its proper divisors (207447).

444789 is a wasteful number, since it uses less digits than its factorization.

444789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 753 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 444789 is about 666.9250332684. The cubic root of 444789 is about 76.3339986255. Note that the first 3 decimals are identical.

The spelling of 444789 in words is "four hundred forty-four thousand, seven hundred eighty-nine".