289316871 has 12 divisors (see below), whose sum is σ = 418050048. Its totient is φ = 192809664.

The previous prime is 289316861. The next prime is 289316899. The reversal of 289316871 is 178613982.

It is a de Polignac number, because none of the positive numbers 2^k-289316871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289316821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44026 + ... + 50168.

It is an arithmetic number, because the mean of its divisors is an integer number (34837504).

Almost surely, 2^289316871 is an apocalyptic number.

289316871 is a deficient number, since it is larger than the sum of its proper divisors (128733177).

289316871 is a wasteful number, since it uses less digits than its factorization.

289316871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382 (or 11379 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 289316871 is about 17009.3171820623. The cubic root of 289316871 is about 661.3904501649.

The spelling of 289316871 in words is "two hundred eighty-nine million, three hundred sixteen thousand, eight hundred seventy-one".