563946 has 16 divisors (see below), whose sum is σ = 1136064. Its totient is φ = 186624.

The previous prime is 563933. The next prime is 563947. The reversal of 563946 is 649365.

It is a happy number.

563946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

563946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (71004).

2⁵⁶³⁹⁴⁶ is an apocalyptic number.

563946 is an abundant number, since it is smaller than the sum of its proper divisors (572118).

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

563946 is a wasteful number, since it uses less digits than its factorization.

563946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its digits is 19440, while the sum is 33.

The square root of 563946 is about 750.9633812644. The cubic root of 563946 is about 82.6188553164.

The spelling of 563946 in words is "five hundred sixty-three thousand, nine hundred forty-six".