271218 has 16 divisors (see below), whose sum is σ = 574560. Its totient is φ = 85056.

The previous prime is 271217. The next prime is 271231. The reversal of 271218 is 812172.

It is a junction number, because it is equal to n+sod(n) for n = 271194 and 271203.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 271218.

It is not an unprimeable number, because it can be changed into a prime (271211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2²⁷¹²¹⁸ is an apocalyptic number.

271218 is an abundant number, since it is smaller than the sum of its proper divisors (303342).

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

271218 is a wasteful number, since it uses less digits than its factorization.

271218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681.

The product of its digits is 224, while the sum is 21.

The square root of 271218 is about 520.7859445108. The cubic root of 271218 is about 64.7300838654.

The spelling of 271218 in words is "two hundred seventy-one thousand, two hundred eighteen".