289671 has 4 divisors (see below), whose sum is σ = 386232. Its totient is φ = 193112.

The previous prime is 289669. The next prime is 289717. The reversal of 289671 is 176982.

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 289671 - 2¹ = 289669 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289171) 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, 48276 + ... + 48281.

It is an arithmetic number, because the mean of its divisors is an integer number (96558).

2²⁸⁹⁶⁷¹ is an apocalyptic number.

289671 is a deficient number, since it is larger than the sum of its proper divisors (96561).

289671 is an equidigital number, since it uses as much as digits as its factorization.

289671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96560.

The product of its digits is 6048, while the sum is 33.

The square root of 289671 is about 538.2109251957. The cubic root of 289671 is about 66.1660191367.

The spelling of 289671 in words is "two hundred eighty-nine thousand, six hundred seventy-one".