39066239 has 2 divisors, whose sum is σ = 39066240. Its totient is φ = 39066238.

The previous prime is 39066233. The next prime is 39066241. The reversal of 39066239 is 93266093.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39066239 is a prime.

Together with 39066241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39066233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19533119 + 19533120.

It is an arithmetic number, because the mean of its divisors is an integer number (19533120).

Almost surely, 2^39066239 is an apocalyptic number.

39066239 is a deficient number, since it is larger than the sum of its proper divisors (1).

39066239 is an equidigital number, since it uses as much as digits as its factorization.

39066239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 39066239 is about 6250.2991128425. The cubic root of 39066239 is about 339.3130275503.

The spelling of 39066239 in words is "thirty-nine million, sixty-six thousand, two hundred thirty-nine".