108899 has 8 divisors (see below), whose sum is σ = 127488. Its totient is φ = 91080.

The previous prime is 108893. The next prime is 108907. The reversal of 108899 is 998801.

It is a happy number.

It is a Cunningham number, because it is equal to 330²-1.

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

It is a cyclic number.

It is not a de Polignac number, because 108899 - 2⁴ = 108883 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (108893) 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, 164 + ... + 494.

It is an arithmetic number, because the mean of its divisors is an integer number (15936).

2¹⁰⁸⁸⁹⁹ is an apocalyptic number.

108899 is a deficient number, since it is larger than the sum of its proper divisors (18589).

108899 is an equidigital number, since it uses as much as digits as its factorization.

108899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 108899 is about 329.9984848450. The cubic root of 108899 is about 47.7538030468.

The spelling of 108899 in words is "one hundred eight thousand, eight hundred ninety-nine".