384271 has 4 divisors (see below), whose sum is σ = 387000. Its totient is φ = 381544.

The previous prime is 384259. The next prime is 384277. The reversal of 384271 is 172483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172483 = 137 ⋅1259.

It is a cyclic number.

It is not a de Polignac number, because 384271 - 2⁷ = 384143 is a prime.

It is a Duffinian number.

384271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384277) 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, 1141 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (96750).

2³⁸⁴²⁷¹ is an apocalyptic number.

384271 is a deficient number, since it is larger than the sum of its proper divisors (2729).

384271 is a wasteful number, since it uses less digits than its factorization.

384271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its digits is 1344, while the sum is 25.

The square root of 384271 is about 619.8959590125. The cubic root of 384271 is about 72.7019182926.

The spelling of 384271 in words is "three hundred eighty-four thousand, two hundred seventy-one".