108969 has 8 divisors (see below), whose sum is σ = 166080. Its totient is φ = 62256.

The previous prime is 108967. The next prime is 108971. The reversal of 108969 is 969801.

It is a happy number.

108969 is nontrivially palindromic in base 4 and base 13.

It is an interprime number because it is at equal distance from previous prime (108967) and next prime (108971).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108969 - 2¹ = 108967 is a prime.

It is a super-2 number, since 2×108969² = 23748485922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (108961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (20760).

2¹⁰⁸⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

108969 is a deficient number, since it is larger than the sum of its proper divisors (57111).

108969 is an equidigital number, since it uses as much as digits as its factorization.

108969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 108969 is about 330.1045288996. The cubic root of 108969 is about 47.7640328629.

The spelling of 108969 in words is "one hundred eight thousand, nine hundred sixty-nine".