1108688 has 40 divisors (see below), whose sum is σ = 2589120. Its totient is φ = 449280.

The previous prime is 1108663. The next prime is 1108691. The reversal of 1108688 is 8868011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (64728).

2^1108688 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 1108688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294560).

1108688 is an abundant number, since it is smaller than the sum of its proper divisors (1480432).

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

1108688 is a wasteful number, since it uses less digits than its factorization.

1108688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1108688 is about 1052.9425435417. The cubic root of 1108688 is about 103.4990703706.

The spelling of 1108688 in words is "one million, one hundred eight thousand, six hundred eighty-eight".