271388 has 24 divisors (see below), whose sum is σ = 543312. Its totient is φ = 117504.

The previous prime is 271367. The next prime is 271393. The reversal of 271388 is 883172.

It is a self number, because there is not a number n which added to its sum of digits gives 271388.

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 271388.

It is an unprimeable number.

271388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (22638).

2²⁷¹³⁸⁸ is an apocalyptic number.

It is an amenable number.

271388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

271388 is a wasteful number, since it uses less digits than its factorization.

271388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 339 counting only the distinct ones).

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

The square root of 271388 is about 520.9491337933. The cubic root of 271388 is about 64.7436053573.

The spelling of 271388 in words is "two hundred seventy-one thousand, three hundred eighty-eight".