2090239 has 2 divisors, whose sum is σ = 2090240. Its totient is φ = 2090238.

The previous prime is 2090227. The next prime is 2090251. The reversal of 2090239 is 9320902.

2090239 is nontrivially palindromic in base 2.

It is a balanced prime because it is at equal distance from previous prime (2090227) and next prime (2090251).

It is a cyclic number.

It is not a de Polignac number, because 2090239 - 2⁷ = 2090111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045119 + 1045120.

It is an arithmetic number, because the mean of its divisors is an integer number (1045120).

2^2090239 is an apocalyptic number.

2090239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090239 is an equidigital number, since it uses as much as digits as its factorization.

2090239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2090239 is about 1445.7658869955. The cubic root of 2090239 is about 127.8591998314.

The spelling of 2090239 in words is "two million, ninety thousand, two hundred thirty-nine".