2009983 has 2 divisors, whose sum is σ = 2009984. Its totient is φ = 2009982.

The previous prime is 2009981. The next prime is 2009989. The reversal of 2009983 is 3899002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009983 - 2¹ = 2009981 is a prime.

Together with 2009981, it forms a pair of twin primes.

2009983 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004991 + 1004992.

It is an arithmetic number, because the mean of its divisors is an integer number (1004992).

2^2009983 is an apocalyptic number.

2009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009983 is an equidigital number, since it uses as much as digits as its factorization.

2009983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2009983 is about 1417.7386924254. The cubic root of 2009983 is about 126.2013870284.

It can be divided in two parts, 2009 and 983, that added together give a palindrome (2992).

The spelling of 2009983 in words is "two million, nine thousand, nine hundred eighty-three".