563836 has 24 divisors (see below), whose sum is σ = 1215200. Its totient is φ = 222912.

The previous prime is 563831. The next prime is 563837. The reversal of 563836 is 638365.

563836 = T₂₈₈ + T₂₈₉ + ... + T₃₀₀.

563836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×563836² = 635822069792, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 563798 and 563807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 1138.

2⁵⁶³⁸³⁶ is an apocalyptic number.

It is an amenable number.

563836 is an abundant number, since it is smaller than the sum of its proper divisors (651364).

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

563836 is a wasteful number, since it uses less digits than its factorization.

563836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1571 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 563836 is about 750.8901384357. The cubic root of 563836 is about 82.6134832506.

Subtracting 563836 from its reverse (638365), we obtain a square (74529 = 273²).

The spelling of 563836 in words is "five hundred sixty-three thousand, eight hundred thirty-six".