2118983 has 4 divisors (see below), whose sum is σ = 2133168. Its totient is φ = 2104800.

The previous prime is 2118973. The next prime is 2119031. The reversal of 2118983 is 3898112.

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 2118983 - 2¹² = 2114887 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 (2118923) 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, 6866 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (533292).

2^2118983 is an apocalyptic number.

2118983 is a deficient number, since it is larger than the sum of its proper divisors (14185).

2118983 is a wasteful number, since it uses less digits than its factorization.

2118983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184.

The product of its digits is 3456, while the sum is 32.

The square root of 2118983 is about 1455.6726967282. The cubic root of 2118983 is about 128.4426204982.

The spelling of 2118983 in words is "two million, one hundred eighteen thousand, nine hundred eighty-three".