108849209 has 8 divisors (see below), whose sum is σ = 128688960. Its totient is φ = 90081936.

The previous prime is 108849149. The next prime is 108849263. The reversal of 108849209 is 902948801.

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

It is a de Polignac number, because none of the positive numbers 2^k-108849209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108849269) 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, 267899 + ... + 268304.

It is an arithmetic number, because the mean of its divisors is an integer number (16086120).

Almost surely, 2^108849209 is an apocalyptic number.

It is an amenable number.

108849209 is a deficient number, since it is larger than the sum of its proper divisors (19839751).

108849209 is an equidigital number, since it uses as much as digits as its factorization.

108849209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536239.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 108849209 is about 10433.0824304229. The cubic root of 108849209 is about 477.4652391022.

The spelling of 108849209 in words is "one hundred eight million, eight hundred forty-nine thousand, two hundred nine".