2106108 has 24 divisors (see below), whose sum is σ = 5460560. Its totient is φ = 702000.

The previous prime is 2106107. The next prime is 2106149. The reversal of 2106108 is 8016012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106107) 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, 9643 + ... + 9858.

2^2106108 is an apocalyptic number.

It is an amenable number.

2106108 is an abundant number, since it is smaller than the sum of its proper divisors (3354452).

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

2106108 is a wasteful number, since it uses less digits than its factorization.

2106108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19514 (or 19506 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2106108 is about 1451.2436046371. The cubic root of 2106108 is about 128.1819515205.

Subtracting from 2106108 its product of nonzero digits (96), we obtain a palindrome (2106012).

The spelling of 2106108 in words is "two million, one hundred six thousand, one hundred eight".