2105894 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 897864.

The previous prime is 2105891. The next prime is 2105897. The reversal of 2105894 is 4985012.

It is an interprime number because it is at equal distance from previous prime (2105891) and next prime (2105897).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105891) 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, 4817 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2^2105894 is an apocalyptic number.

2105894 is a deficient number, since it is larger than the sum of its proper divisors (1522906).

2105894 is a wasteful number, since it uses less digits than its factorization.

2105894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2105894 is about 1451.1698728957. The cubic root of 2105894 is about 128.1776098839.

The spelling of 2105894 in words is "two million, one hundred five thousand, eight hundred ninety-four".