563944 has 16 divisors (see below), whose sum is σ = 1066500. Its totient is φ = 279552.

The previous prime is 563933. The next prime is 563947. The reversal of 563944 is 449365.

It can be written as a sum of positive squares in 2 ways, for example, as 562500 + 1444 = 750^2 + 38^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (563947) 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, 1032 + ... + 1480.

2⁵⁶³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

563944 is a deficient number, since it is larger than the sum of its proper divisors (502556).

563944 is a wasteful number, since it uses less digits than its factorization.

563944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 563944 is about 750.9620496403. The cubic root of 563944 is about 82.6187576487.

The spelling of 563944 in words is "five hundred sixty-three thousand, nine hundred forty-four".