386571 has 4 divisors (see below), whose sum is σ = 515432. Its totient is φ = 257712.

The previous prime is 386569. The next prime is 386587. The reversal of 386571 is 175683.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 386571 - 2¹ = 386569 is a prime.

It is a D-number.

It is a Duffinian number.

386571 is a lucky number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (386501) 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, 64426 + ... + 64431.

It is an arithmetic number, because the mean of its divisors is an integer number (128858).

2³⁸⁶⁵⁷¹ is an apocalyptic number.

386571 is a deficient number, since it is larger than the sum of its proper divisors (128861).

386571 is a wasteful number, since it uses less digits than its factorization.

386571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128860.

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

The square root of 386571 is about 621.7483413729. The cubic root of 386571 is about 72.8466788949.

The spelling of 386571 in words is "three hundred eighty-six thousand, five hundred seventy-one".