388271 has 4 divisors (see below), whose sum is σ = 418152. Its totient is φ = 358392.

The previous prime is 388259. The next prime is 388273. The reversal of 388271 is 172883.

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

It is a cyclic number.

It is not a de Polignac number, because 388271 - 2¹⁸ = 126127 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 (388273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14921 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (104538).

2³⁸⁸²⁷¹ is an apocalyptic number.

388271 is a deficient number, since it is larger than the sum of its proper divisors (29881).

388271 is a wasteful number, since it uses less digits than its factorization.

388271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29880.

The product of its digits is 2688, while the sum is 29.

The square root of 388271 is about 623.1139542652. The cubic root of 388271 is about 72.9533072268.

Subtracting from 388271 its product of digits (2688), we obtain a palindrome (385583).

The spelling of 388271 in words is "three hundred eighty-eight thousand, two hundred seventy-one".