444489 has 8 divisors (see below), whose sum is σ = 596160. Its totient is φ = 294576.

The previous prime is 444487. The next prime is 444517. The reversal of 444489 is 984444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444489 - 2¹ = 444487 is a prime.

It is a super-2 number, since 2×444489² = 395140942242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (444487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 1010.

It is an arithmetic number, because the mean of its divisors is an integer number (74520).

2⁴⁴⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

444489 is a deficient number, since it is larger than the sum of its proper divisors (151671).

444489 is a wasteful number, since it uses less digits than its factorization.

444489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 18432, while the sum is 33.

The square root of 444489 is about 666.7000824959. The cubic root of 444489 is about 76.3168329206.

The spelling of 444489 in words is "four hundred forty-four thousand, four hundred eighty-nine".