385671 has 32 divisors (see below), whose sum is σ = 645120. Its totient is φ = 201600.

The previous prime is 385663. The next prime is 385709. The reversal of 385671 is 176583.

It is not a de Polignac number, because 385671 - 2³ = 385663 is a prime.

385671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12426 + ... + 12456.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2³⁸⁵⁶⁷¹ is an apocalyptic number.

385671 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

385671 is a deficient number, since it is larger than the sum of its proper divisors (259449).

385671 is a wasteful number, since it uses less digits than its factorization.

385671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87.

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

The square root of 385671 is about 621.0241541196. The cubic root of 385671 is about 72.7901020033.

Subtracting from 385671 its sum of digits (30), we obtain a square (385641 = 621²).

The spelling of 385671 in words is "three hundred eighty-five thousand, six hundred seventy-one".