8663536 has 40 divisors (see below), whose sum is σ = 19395584. Its totient is φ = 3672000.

The previous prime is 8663521. The next prime is 8663537. The reversal of 8663536 is 6353668.

It is a junction number, because it is equal to n+sod(n) for n = 8663495 and 8663504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663537) 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, 11161 + ... + 11911.

Almost surely, 2^8663536 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 8663536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9697792).

8663536 is an abundant number, since it is smaller than the sum of its proper divisors (10732048).

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

8663536 is a wasteful number, since it uses less digits than its factorization.

8663536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 863 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 8663536 is about 2943.3885234539. The cubic root of 8663536 is about 205.3832687157.

The spelling of 8663536 in words is "eight million, six hundred sixty-three thousand, five hundred thirty-six".