2006239 has 2 divisors, whose sum is σ = 2006240. Its totient is φ = 2006238.

The previous prime is 2006231. The next prime is 2006273. The reversal of 2006239 is 9326002.

2006239 = T₁₁₅₅ + T₁₁₅₆ + T₁₁₅₇.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2006239 - 2³ = 2006231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003119 + 1003120.

It is an arithmetic number, because the mean of its divisors is an integer number (1003120).

2^2006239 is an apocalyptic number.

2006239 is the 1157-th centered triangular number.

2006239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006239 is an equidigital number, since it uses as much as digits as its factorization.

2006239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2006239 is about 1416.4176643914. The cubic root of 2006239 is about 126.1229797862.

The spelling of 2006239 in words is "two million, six thousand, two hundred thirty-nine".