563826 has 8 divisors (see below), whose sum is σ = 1127664. Its totient is φ = 187940.

The previous prime is 563821. The next prime is 563831. The reversal of 563826 is 628365.

It is an interprime number because it is at equal distance from previous prime (563821) and next prime (563831).

It is a sphenic number, since it is the product of 3 distinct primes.

563826 is an admirable number.

It is a d-powerful number, because it can be written as 5⁶ + 6⁴ + 8⁴ + 3⁶ + 2¹⁸ + 6⁷ .

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 563793 and 563802.

It is not an unprimeable number, because it can be changed into a prime (563821) by changing a digit.

563826 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46980 + ... + 46991.

It is an arithmetic number, because the mean of its divisors is an integer number (140958).

2⁵⁶³⁸²⁶ is an apocalyptic number.

563826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

563826 is a wasteful number, since it uses less digits than its factorization.

563826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93976.

The product of its digits is 8640, while the sum is 30.

The square root of 563826 is about 750.8834796425. The cubic root of 563826 is about 82.6129948463.

The spelling of 563826 in words is "five hundred sixty-three thousand, eight hundred twenty-six".