2105718 has 16 divisors (see below), whose sum is σ = 4271616. Its totient is φ = 691880.

The previous prime is 2105717. The next prime is 2105729. The reversal of 2105718 is 8175012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105717) 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, 2046 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (266976).

2^2105718 is an apocalyptic number.

2105718 is an abundant number, since it is smaller than the sum of its proper divisors (2165898).

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

2105718 is a wasteful number, since it uses less digits than its factorization.

2105718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 2105718 is about 1451.1092308989. The cubic root of 2105718 is about 128.1740389717.

The spelling of 2105718 in words is "two million, one hundred five thousand, seven hundred eighteen".