2106871 has 8 divisors (see below), whose sum is σ = 2322320. Its totient is φ = 1899072.

The previous prime is 2106857. The next prime is 2106877. The reversal of 2106871 is 1786012.

2106871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2106871 - 2¹⁵ = 2074103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106877) 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 7 ways as a sum of consecutive naturals, for example, 1326 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (290290).

2^2106871 is an apocalyptic number.

2106871 is a deficient number, since it is larger than the sum of its proper divisors (215449).

2106871 is a wasteful number, since it uses less digits than its factorization.

2106871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2106871 is about 1451.5064588213. The cubic root of 2106871 is about 128.1974288877.

The spelling of 2106871 in words is "two million, one hundred six thousand, eight hundred seventy-one".