2108199 has 4 divisors (see below), whose sum is σ = 2810936. Its totient is φ = 1405464.

The previous prime is 2108177. The next prime is 2108231. The reversal of 2108199 is 9918012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2108199 - 2¹² = 2104103 is a prime.

It is a D-number.

It is a Duffinian number.

2108199 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351364 + ... + 351369.

It is an arithmetic number, because the mean of its divisors is an integer number (702734).

2^2108199 is an apocalyptic number.

2108199 is a deficient number, since it is larger than the sum of its proper divisors (702737).

2108199 is an equidigital number, since it uses as much as digits as its factorization.

2108199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702736.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 2108199 is about 1451.9638425250. The cubic root of 2108199 is about 128.2243583055.

The spelling of 2108199 in words is "two million, one hundred eight thousand, one hundred ninety-nine".