563660 has 12 divisors (see below), whose sum is σ = 1183728. Its totient is φ = 225456.

The previous prime is 563657. The next prime is 563663. The reversal of 563660 is 66365.

It is an interprime number because it is at equal distance from previous prime (563657) and next prime (563663).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (563663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14072 + ... + 14111.

It is an arithmetic number, because the mean of its divisors is an integer number (98644).

2⁵⁶³⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

563660 is an abundant number, since it is smaller than the sum of its proper divisors (620068).

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

563660 is a wasteful number, since it uses less digits than its factorization.

563660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28192 (or 28190 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 563660 is about 750.7729350476. The cubic root of 563660 is about 82.6048864918.

The spelling of 563660 in words is "five hundred sixty-three thousand, six hundred sixty".