2105983 has 4 divisors (see below), whose sum is σ = 2297448. Its totient is φ = 1914520.

The previous prime is 2105969. The next prime is 2105993. The reversal of 2105983 is 3895012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2105983 - 2²¹ = 8831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105933) 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, 95716 + ... + 95737.

It is an arithmetic number, because the mean of its divisors is an integer number (574362).

2^2105983 is an apocalyptic number.

2105983 is a deficient number, since it is larger than the sum of its proper divisors (191465).

2105983 is a wasteful number, since it uses less digits than its factorization.

2105983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191464.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2105983 is about 1451.2005374861. The cubic root of 2105983 is about 128.1794155535.

The spelling of 2105983 in words is "two million, one hundred five thousand, nine hundred eighty-three".