108806 has 4 divisors (see below), whose sum is σ = 163212. Its totient is φ = 54402.

The previous prime is 108803. The next prime is 108821. The reversal of 108806 is 608801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608801 = 557 ⋅1093.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 108806.

It is not an unprimeable number, because it can be changed into a prime (108803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27200 + ... + 27203.

It is an arithmetic number, because the mean of its divisors is an integer number (40803).

2¹⁰⁸⁸⁰⁶ is an apocalyptic number.

108806 is a deficient number, since it is larger than the sum of its proper divisors (54406).

108806 is an equidigital number, since it uses as much as digits as its factorization.

108806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54405.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 108806 is about 329.8575450100. The cubic root of 108806 is about 47.7402052221.

The spelling of 108806 in words is "one hundred eight thousand, eight hundred six".