239985607 has 2 divisors, whose sum is σ = 239985608. Its totient is φ = 239985606.

The previous prime is 239985593. The next prime is 239985653. The reversal of 239985607 is 706589932.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239985607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239985667) 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, 119992803 + 119992804.

It is an arithmetic number, because the mean of its divisors is an integer number (119992804).

Almost surely, 2^239985607 is an apocalyptic number.

239985607 is a deficient number, since it is larger than the sum of its proper divisors (1).

239985607 is an equidigital number, since it uses as much as digits as its factorization.

239985607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 239985607 is about 15491.4688457873. The cubic root of 239985607 is about 621.4340780542.

The spelling of 239985607 in words is "two hundred thirty-nine million, nine hundred eighty-five thousand, six hundred seven".