563444 has 12 divisors (see below), whose sum is σ = 1126944. Its totient is φ = 241464.

The previous prime is 563419. The next prime is 563447. The reversal of 563444 is 444365.

563444 is an admirable number.

It is a super-2 number, since 2×563444² = 634938282272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563447) 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, 10034 + ... + 10089.

It is an arithmetic number, because the mean of its divisors is an integer number (93912).

2⁵⁶³⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

563444 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.

563444 is a wasteful number, since it uses less digits than its factorization.

563444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20134 (or 20132 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 563444 is about 750.6290695144. The cubic root of 563444 is about 82.5943334781.

The spelling of 563444 in words is "five hundred sixty-three thousand, four hundred forty-four".