8544636 has 48 divisors (see below), whose sum is σ = 22533280. Its totient is φ = 2799360.

The previous prime is 8544629. The next prime is 8544649. The reversal of 8544636 is 6364458.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8544636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5940 + ... + 7236.

Almost surely, 2^8544636 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 8544636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11266640).

8544636 is an abundant number, since it is smaller than the sum of its proper divisors (13988644).

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

8544636 is a wasteful number, since it uses less digits than its factorization.

8544636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1363 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 8544636 is about 2923.1209348913. The cubic root of 8544636 is about 204.4393644593.

It can be divided in two parts, 8544 and 636, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 8544636 in words is "eight million, five hundred forty-four thousand, six hundred thirty-six".