108205636 has 48 divisors (see below), whose sum is σ = 238250880. Its totient is φ = 41771520.

The previous prime is 108205619. The next prime is 108205661. The reversal of 108205636 is 636502801.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 108205598 and 108205607.

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, 33250 + ... + 36358.

It is an arithmetic number, because the mean of its divisors is an integer number (4963560).

Almost surely, 2^108205636 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 108205636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119125440).

108205636 is an abundant number, since it is smaller than the sum of its proper divisors (130045244).

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

108205636 is a wasteful number, since it uses less digits than its factorization.

108205636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 108205636 is about 10402.1938070774. The cubic root of 108205636 is about 476.5223710028.

The spelling of 108205636 in words is "one hundred eight million, two hundred five thousand, six hundred thirty-six".