563620 has 12 divisors (see below), whose sum is σ = 1183644. Its totient is φ = 225440.

The previous prime is 563599. The next prime is 563623. The reversal of 563620 is 26365.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 186624 = 614^2 + 432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 563591 and 563600.

It is not an unprimeable number, because it can be changed into a prime (563623) 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, 14071 + ... + 14110.

It is an arithmetic number, because the mean of its divisors is an integer number (98637).

2⁵⁶³⁶²⁰ is an apocalyptic number.

It is an amenable number.

563620 is an abundant number, since it is smaller than the sum of its proper divisors (620024).

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

563620 is a wasteful number, since it uses less digits than its factorization.

563620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28190 (or 28188 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 563620 is about 750.7462953622. The cubic root of 563620 is about 82.6029324335.

Adding to 563620 its reverse (26365), we get a palindrome (589985).

The spelling of 563620 in words is "five hundred sixty-three thousand, six hundred twenty".