2106841 has 4 divisors (see below), whose sum is σ = 2298384. Its totient is φ = 1915300.

The previous prime is 2106833. The next prime is 2106847. The reversal of 2106841 is 1486012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2106841 - 2³ = 2106833 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2106847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95755 + ... + 95776.

It is an arithmetic number, because the mean of its divisors is an integer number (574596).

2^2106841 is an apocalyptic number.

It is an amenable number.

2106841 is a deficient number, since it is larger than the sum of its proper divisors (191543).

2106841 is a wasteful number, since it uses less digits than its factorization.

2106841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191542.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2106841 is about 1451.4961246934. The cubic root of 2106841 is about 128.1968204117.

The spelling of 2106841 in words is "two million, one hundred six thousand, eight hundred forty-one".