385716 has 12 divisors (see below), whose sum is σ = 900032. Its totient is φ = 128568.

The previous prime is 385709. The next prime is 385739. The reversal of 385716 is 617583.

385716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

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 385716.

It is an unprimeable number.

385716 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, 16060 + ... + 16083.

385716 is a Friedman number, since it can be written as 8^5+7^6*3+1, using all its digits and the basic arithmetic operations.

2³⁸⁵⁷¹⁶ is an apocalyptic number.

It is an amenable number.

385716 is an abundant number, since it is smaller than the sum of its proper divisors (514316).

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

385716 is a wasteful number, since it uses less digits than its factorization.

385716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32150 (or 32148 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 385716 is about 621.0603835377. The cubic root of 385716 is about 72.7929329371.

The spelling of 385716 in words is "three hundred eighty-five thousand, seven hundred sixteen".