2129983 has 2 divisors, whose sum is σ = 2129984. Its totient is φ = 2129982.

The previous prime is 2129977. The next prime is 2130001. The reversal of 2129983 is 3899212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2129983 - 2⁵ = 2129951 is a prime.

2129983 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064991 + 1064992.

It is an arithmetic number, because the mean of its divisors is an integer number (1064992).

2^2129983 is an apocalyptic number.

2129983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129983 is an equidigital number, since it uses as much as digits as its factorization.

2129983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 2129983 is about 1459.4461278170. The cubic root of 2129983 is about 128.6644928206.

The spelling of 2129983 in words is "two million, one hundred twenty-nine thousand, nine hundred eighty-three".