385688 has 16 divisors (see below), whose sum is σ = 743280. Its totient is φ = 187488.

The previous prime is 385663. The next prime is 385709. The reversal of 385688 is 886583.

It is a happy number.

385688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

385688 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (46455).

2³⁸⁵⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

385688 is a deficient number, since it is larger than the sum of its proper divisors (357592).

385688 is a wasteful number, since it uses less digits than its factorization.

385688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1342 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 385688 is about 621.0378410371. The cubic root of 385688 is about 72.7911714931.

The spelling of 385688 in words is "three hundred eighty-five thousand, six hundred eighty-eight".