108669 has 16 divisors (see below), whose sum is σ = 164160. Its totient is φ = 63360.

The previous prime is 108649. The next prime is 108677. The reversal of 108669 is 966801.

It is not a de Polignac number, because 108669 - 2⁵ = 108637 is a prime.

It is a super-2 number, since 2×108669² = 23617903122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2¹⁰⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

108669 is a deficient number, since it is larger than the sum of its proper divisors (55491).

108669 is a wasteful number, since it uses less digits than its factorization.

108669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 108669 is about 329.6498141968. The cubic root of 108669 is about 47.7201598965.

It can be divided in two parts, 108 and 669, that added together give a palindrome (777).

The spelling of 108669 in words is "one hundred eight thousand, six hundred sixty-nine".