271863 has 8 divisors (see below), whose sum is σ = 402800. Its totient is φ = 181224.

The previous prime is 271861. The next prime is 271867. The reversal of 271863 is 368172.

271863 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 271863 - 2¹ = 271861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 10069 = 271863 / (2 + 7 + 1 + 8 + 6 + 3).

It is a Duffinian number.

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 271863.

It is not an unprimeable number, because it can be changed into a prime (271861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (50350).

2²⁷¹⁸⁶³ is an apocalyptic number.

271863 is a deficient number, since it is larger than the sum of its proper divisors (130937).

271863 is a wasteful number, since it uses less digits than its factorization.

271863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078 (or 10072 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 271863 is about 521.4048331191. The cubic root of 271863 is about 64.7813560904.

The spelling of 271863 in words is "two hundred seventy-one thousand, eight hundred sixty-three".