2105886 has 8 divisors (see below), whose sum is σ = 4211784. Its totient is φ = 701960.

The previous prime is 2105881. The next prime is 2105891. The reversal of 2105886 is 6885012.

It is an interprime number because it is at equal distance from previous prime (2105881) and next prime (2105891).

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

2105886 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175485 + ... + 175496.

It is an arithmetic number, because the mean of its divisors is an integer number (526473).

2^2105886 is an apocalyptic number.

2105886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2105886 is a wasteful number, since it uses less digits than its factorization.

2105886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350986.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2105886 is about 1451.1671164962. The cubic root of 2105886 is about 128.1774475740.

The spelling of 2105886 in words is "two million, one hundred five thousand, eight hundred eighty-six".