563905636 has 96 divisors (see below), whose sum is σ = 1232824320. Its totient is φ = 220320000.

The previous prime is 563905631. The next prime is 563905649. The reversal of 563905636 is 636509365.

It is a junction number, because it is equal to n+sod(n) for n = 563905592 and 563905601.

It is not an unprimeable number, because it can be changed into a prime (563905631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2246511 + ... + 2246761.

It is an arithmetic number, because the mean of its divisors is an integer number (12841920).

Almost surely, 2^563905636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563905636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616412160).

563905636 is an abundant number, since it is smaller than the sum of its proper divisors (668918684).

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

563905636 is a wasteful number, since it uses less digits than its factorization.

563905636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 43.

The square root of 563905636 is about 23746.6973703713. The cubic root of 563905636 is about 826.1688414238.

It can be divided in two parts, 56390 and 5636, that added together give a palindrome (62026).

The spelling of 563905636 in words is "five hundred sixty-three million, nine hundred five thousand, six hundred thirty-six".