288871 has 4 divisors (see below), whose sum is σ = 315144. Its totient is φ = 262600.

The previous prime is 288853. The next prime is 288877. The reversal of 288871 is 178882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 288871 - 2⁵ = 288839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13120 + ... + 13141.

It is an arithmetic number, because the mean of its divisors is an integer number (78786).

2²⁸⁸⁸⁷¹ is an apocalyptic number.

288871 is a deficient number, since it is larger than the sum of its proper divisors (26273).

288871 is a wasteful number, since it uses less digits than its factorization.

288871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26272.

The product of its digits is 7168, while the sum is 34.

The square root of 288871 is about 537.4672083021. The cubic root of 288871 is about 66.1050515570.

The spelling of 288871 in words is "two hundred eighty-eight thousand, eight hundred seventy-one".