271992 has 32 divisors (see below), whose sum is σ = 777600. Its totient is φ = 77664.

The previous prime is 271981. The next prime is 272003. The reversal of 271992 is 299172.

It is an interprime number because it is at equal distance from previous prime (271981) and next prime (272003).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

271992 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, 642 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2²⁷¹⁹⁹² is an apocalyptic number.

It is an amenable number.

271992 is an abundant number, since it is smaller than the sum of its proper divisors (505608).

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

271992 is a wasteful number, since it uses less digits than its factorization.

271992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1631 counting only the distinct ones).

The product of its digits is 2268, while the sum is 30.

The square root of 271992 is about 521.5285227099. The cubic root of 271992 is about 64.7916008013.

The spelling of 271992 in words is "two hundred seventy-one thousand, nine hundred ninety-two".