8636144 has 20 divisors (see below), whose sum is σ = 18254040. Its totient is φ = 3925440.

The previous prime is 8636141. The next prime is 8636167. The reversal of 8636144 is 4416368.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8636144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8636141) 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 3 ways as a sum of consecutive naturals, for example, 24359 + ... + 24710.

It is an arithmetic number, because the mean of its divisors is an integer number (912702).

Almost surely, 2^8636144 is an apocalyptic number.

It is an amenable number.

8636144 is an abundant number, since it is smaller than the sum of its proper divisors (9617896).

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

8636144 is a wasteful number, since it uses less digits than its factorization.

8636144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49088 (or 49082 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 8636144 is about 2938.7316992199. The cubic root of 8636144 is about 205.1665828216.

It can be divided in two parts, 863 and 6144, that added together give a palindrome (7007).

The spelling of 8636144 in words is "eight million, six hundred thirty-six thousand, one hundred forty-four".