1108636 has 12 divisors (see below), whose sum is σ = 1981728. Its totient is φ = 542432.

The previous prime is 1108633. The next prime is 1108663. The reversal of 1108636 is 6368011.

It is a self number, because there is not a number n which added to its sum of digits gives 1108636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2761 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (165144).

2^1108636 is an apocalyptic number.

It is an amenable number.

1108636 is a deficient number, since it is larger than the sum of its proper divisors (873092).

1108636 is a wasteful number, since it uses less digits than its factorization.

1108636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948 (or 5946 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1108636 is about 1052.9178505468. The cubic root of 1108636 is about 103.4974522310.

The spelling of 1108636 in words is "one million, one hundred eight thousand, six hundred thirty-six".