271791 has 24 divisors (see below), whose sum is σ = 445536. Its totient is φ = 158400.

The previous prime is 271787. The next prime is 271807. The reversal of 271791 is 197172.

It is not a de Polignac number, because 271791 - 2² = 271787 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 271791.

It is not an unprimeable number, because it can be changed into a prime (271771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2641 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (18564).

2²⁷¹⁷⁹¹ is an apocalyptic number.

271791 is a deficient number, since it is larger than the sum of its proper divisors (173745).

271791 is a wasteful number, since it uses less digits than its factorization.

271791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 140 counting only the distinct ones).

The product of its digits is 882, while the sum is 27.

The square root of 271791 is about 521.3357843080. The cubic root of 271791 is about 64.7756367030.

The spelling of 271791 in words is "two hundred seventy-one thousand, seven hundred ninety-one".