2109108 has 12 divisors (see below), whose sum is σ = 4921280. Its totient is φ = 703032.

The previous prime is 2109103. The next prime is 2109109. The reversal of 2109108 is 8019012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109101) 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, 87868 + ... + 87891.

2^2109108 is an apocalyptic number.

It is an amenable number.

2109108 is an abundant number, since it is smaller than the sum of its proper divisors (2812172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2109108 is a wasteful number, since it uses less digits than its factorization.

2109108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175766 (or 175764 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2109108 is about 1452.2768331141. The cubic root of 2109108 is about 128.2427846485.

The spelling of 2109108 in words is "two million, one hundred nine thousand, one hundred eight".