563648 has 14 divisors (see below), whose sum is σ = 1118616. Its totient is φ = 281792.

The previous prime is 563623. The next prime is 563657. The reversal of 563648 is 846365.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 563648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340 + ... + 4467.

2⁵⁶³⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

563648 is a deficient number, since it is larger than the sum of its proper divisors (554968).

563648 is an equidigital number, since it uses as much as digits as its factorization.

563648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819 (or 8809 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 563648 is about 750.7649432412. The cubic root of 563648 is about 82.6043002840.

The spelling of 563648 in words is "five hundred sixty-three thousand, six hundred forty-eight".