271956 has 24 divisors (see below), whose sum is σ = 643104. Its totient is φ = 89440.

The previous prime is 271939. The next prime is 271967. The reversal of 271956 is 659172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (26796).

2²⁷¹⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

271956 is an abundant number, since it is smaller than the sum of its proper divisors (371148).

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

271956 is a wasteful number, since it uses less digits than its factorization.

271956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 271956 is about 521.4940076358. The cubic root of 271956 is about 64.7887421381.

It can be divided in two parts, 2719 and 56, that added together give a triangular number (2775 = T₇₄).

The spelling of 271956 in words is "two hundred seventy-one thousand, nine hundred fifty-six".