385868339 has 2 divisors, whose sum is σ = 385868340. Its totient is φ = 385868338.

The previous prime is 385868317. The next prime is 385868341. The reversal of 385868339 is 933868583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385868339 - 2²⁸ = 117432883 is a prime.

Together with 385868341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385868039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192934169 + 192934170.

It is an arithmetic number, because the mean of its divisors is an integer number (192934170).

Almost surely, 2^385868339 is an apocalyptic number.

385868339 is a deficient number, since it is larger than the sum of its proper divisors (1).

385868339 is an equidigital number, since it uses as much as digits as its factorization.

385868339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 53.

The square root of 385868339 is about 19643.5317343903. The cubic root of 385868339 is about 728.0251489471.

The spelling of 385868339 in words is "three hundred eighty-five million, eight hundred sixty-eight thousand, three hundred thirty-nine".