2108907 has 6 divisors (see below), whose sum is σ = 3046212. Its totient is φ = 1405932.

The previous prime is 2108881. The next prime is 2108927. The reversal of 2108907 is 7098012.

2108907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2108907 - 2¹⁰ = 2107883 is a prime.

2108907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2108927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117153 + ... + 117170.

It is an arithmetic number, because the mean of its divisors is an integer number (507702).

2^2108907 is an apocalyptic number.

2108907 is a deficient number, since it is larger than the sum of its proper divisors (937305).

2108907 is a wasteful number, since it uses less digits than its factorization.

2108907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234329 (or 234326 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2108907 is about 1452.2076297830. The cubic root of 2108907 is about 128.2387106326.

The spelling of 2108907 in words is "two million, one hundred eight thousand, nine hundred seven".