267993271 has 24 divisors (see below), whose sum is σ = 349134720. Its totient is φ = 200861856.

The previous prime is 267993269. The next prime is 267993289. The reversal of 267993271 is 172399762.

It is not a de Polignac number, because 267993271 - 2¹ = 267993269 is a prime.

It is the 16371-st Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (267993221) by changing a digit.

It is a nontrivial repunit in base 16370.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16516 + ... + 28438.

It is an arithmetic number, because the mean of its divisors is an integer number (14547280).

Almost surely, 2^267993271 is an apocalyptic number.

267993271 is a deficient number, since it is larger than the sum of its proper divisors (81141449).

267993271 is a wasteful number, since it uses less digits than its factorization.

267993271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11975 (or 11962 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 267993271 is about 16370.5000229071. The cubic root of 267993271 is about 644.7251766715.

The spelling of 267993271 in words is "two hundred sixty-seven million, nine hundred ninety-three thousand, two hundred seventy-one".