108818406 has 48 divisors (see below), whose sum is σ = 244530000. Its totient is φ = 34945344.

The previous prime is 108818393. The next prime is 108818429. The reversal of 108818406 is 604818801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71845 + ... + 73343.

It is an arithmetic number, because the mean of its divisors is an integer number (5094375).

Almost surely, 2^108818406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108818406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122265000).

108818406 is an abundant number, since it is smaller than the sum of its proper divisors (135711594).

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

108818406 is a wasteful number, since it uses less digits than its factorization.

108818406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 108818406 is about 10431.6061083613. The cubic root of 108818406 is about 477.4201959045.

The spelling of 108818406 in words is "one hundred eight million, eight hundred eighteen thousand, four hundred six".