563906 has 16 divisors (see below), whose sum is σ = 988416. Its totient is φ = 236256.

The previous prime is 563897. The next prime is 563929. The reversal of 563906 is 609365.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230 + ... + 1086.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

2⁵⁶³⁹⁰⁶ is an apocalyptic number.

563906 is a deficient number, since it is larger than the sum of its proper divisors (424510).

563906 is a wasteful number, since it uses less digits than its factorization.

563906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 563906 is about 750.9367483350. The cubic root of 563906 is about 82.6169019187.

The spelling of 563906 in words is "five hundred sixty-three thousand, nine hundred six".