385839 has 12 divisors (see below), whose sum is σ = 570856. Its totient is φ = 250992.

The previous prime is 385837. The next prime is 385843. The reversal of 385839 is 938583.

It is not a de Polignac number, because 385839 - 2¹ = 385837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112 + ... + 885.

2³⁸⁵⁸³⁹ is an apocalyptic number.

385839 is a deficient number, since it is larger than the sum of its proper divisors (185017).

385839 is a wasteful number, since it uses less digits than its factorization.

385839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1043 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 385839 is about 621.1593998323. The cubic root of 385839 is about 72.8006696996.

The spelling of 385839 in words is "three hundred eighty-five thousand, eight hundred thirty-nine".