2118383 has 4 divisors (see below), whose sum is σ = 2140320. Its totient is φ = 2096448.

The previous prime is 2118377. The next prime is 2118397. The reversal of 2118383 is 3838112.

2118383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2118383 - 2²⁰ = 1069807 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 (2118313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10823 + ... + 11016.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

2^2118383 is an apocalyptic number.

2118383 is a deficient number, since it is larger than the sum of its proper divisors (21937).

2118383 is an equidigital number, since it uses as much as digits as its factorization.

2118383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21936.

The product of its digits is 1152, while the sum is 26.

The square root of 2118383 is about 1455.4665918529. The cubic root of 2118383 is about 128.4304963098.

The spelling of 2118383 in words is "two million, one hundred eighteen thousand, three hundred eighty-three".