267871 has 4 divisors (see below), whose sum is σ = 276544. Its totient is φ = 259200.

The previous prime is 267863. The next prime is 267877. The reversal of 267871 is 178762.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178762 = 2 ⋅89381.

It is a 7-Lehmer number, since φ(267871) divides (267871-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 267871 - 2³ = 267863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 8641 = 267871 / (2 + 6 + 7 + 8 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (267877) 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, 4290 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (69136).

2²⁶⁷⁸⁷¹ is an apocalyptic number.

267871 is a deficient number, since it is larger than the sum of its proper divisors (8673).

267871 is an equidigital number, since it uses as much as digits as its factorization.

267871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672.

The product of its digits is 4704, while the sum is 31.

The square root of 267871 is about 517.5625566055. The cubic root of 267871 is about 64.4627110548.

The spelling of 267871 in words is "two hundred sixty-seven thousand, eight hundred seventy-one".