563806 has 16 divisors (see below), whose sum is σ = 916560. Its totient is φ = 259200.

The previous prime is 563777. The next prime is 563809. The reversal of 563806 is 608365.

563806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563809) 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, 1206 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (57285).

2⁵⁶³⁸⁰⁶ is an apocalyptic number.

563806 is a deficient number, since it is larger than the sum of its proper divisors (352754).

563806 is a wasteful number, since it uses less digits than its factorization.

563806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 563806 is about 750.8701618789. The cubic root of 563806 is about 82.6120180205.

It can be divided in two parts, 563 and 806, that added together give a square (1369 = 37²).

The spelling of 563806 in words is "five hundred sixty-three thousand, eight hundred six".