444556 has 12 divisors (see below), whose sum is σ = 889168. Its totient is φ = 190512.

The previous prime is 444553. The next prime is 444557. The reversal of 444556 is 655444.

444556 = 249² + 250² + ... + 255².

444556 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 15877 = 444556 / (4 + 4 + 4 + 5 + 5 + 6).

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 (444553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7911 + ... + 7966.

2⁴⁴⁴⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

444556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444556 is a wasteful number, since it uses less digits than its factorization.

444556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15888 (or 15886 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 444556 is about 666.7503280839. The cubic root of 444556 is about 76.3206672644.

It can be divided in two parts, 444 and 556, that added together give a cube (1000 = 10³).

The spelling of 444556 in words is "four hundred forty-four thousand, five hundred fifty-six".