385711 has 4 divisors (see below), whose sum is σ = 388024. Its totient is φ = 383400.

The previous prime is 385709. The next prime is 385739. The reversal of 385711 is 117583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117583 = 31 ⋅3793.

It is a cyclic number.

It is not a de Polignac number, because 385711 - 2¹ = 385709 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 (385741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (97006).

385711 is a Friedman number, since it can be written as 5^8-17^3-1, using all its digits and the basic arithmetic operations.

2³⁸⁵⁷¹¹ is an apocalyptic number.

385711 is a deficient number, since it is larger than the sum of its proper divisors (2313).

385711 is a wasteful number, since it uses less digits than its factorization.

385711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its digits is 840, while the sum is 25.

The square root of 385711 is about 621.0563581512. The cubic root of 385711 is about 72.7926183998.

The spelling of 385711 in words is "three hundred eighty-five thousand, seven hundred eleven".