108636 has 24 divisors (see below), whose sum is σ = 276864. Its totient is φ = 32880.

The previous prime is 108631. The next prime is 108637. The reversal of 108636 is 636801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108631) by changing a digit.

108636 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 7 ways as a sum of consecutive naturals, for example, 280 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (11536).

2¹⁰⁸⁶³⁶ is an apocalyptic number.

It is an amenable number.

108636 is an abundant number, since it is smaller than the sum of its proper divisors (168228).

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

108636 is a wasteful number, since it uses less digits than its factorization.

108636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 108636 is about 329.5997572815. The cubic root of 108636 is about 47.7153289429.

It can be divided in two parts, 10 and 8636, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 108636 in words is "one hundred eight thousand, six hundred thirty-six".