563706 has 64 divisors (see below), whose sum is σ = 1491840. Its totient is φ = 155520.

The previous prime is 563663. The next prime is 563723. The reversal of 563706 is 607365.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 563706.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 563706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7686 + ... + 7758.

It is an arithmetic number, because the mean of its divisors is an integer number (23310).

2⁵⁶³⁷⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745920).

563706 is an abundant number, since it is smaller than the sum of its proper divisors (928134).

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

563706 is a wasteful number, since it uses less digits than its factorization.

563706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 563706 is about 750.8035695174. The cubic root of 563706 is about 82.6071335447.

The spelling of 563706 in words is "five hundred sixty-three thousand, seven hundred six".