385686 has 24 divisors (see below), whose sum is σ = 955344. Its totient is φ = 110160.

The previous prime is 385663. The next prime is 385709. The reversal of 385686 is 686583.

It is an interprime number because it is at equal distance from previous prime (385663) and next prime (385709).

It is a self number, because there is not a number n which added to its sum of digits gives 385686.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385686.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1405 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (39806).

2³⁸⁵⁶⁸⁶ is an apocalyptic number.

385686 is an abundant number, since it is smaller than the sum of its proper divisors (569658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385686 is a wasteful number, since it uses less digits than its factorization.

385686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3073 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 385686 is about 621.0362308272. The cubic root of 385686 is about 72.7910456724.

The spelling of 385686 in words is "three hundred eighty-five thousand, six hundred eighty-six".