289327 has 6 divisors (see below), whose sum is σ = 297752. Its totient is φ = 281112.

The previous prime is 289319. The next prime is 289343. The reversal of 289327 is 723982.

It is not a de Polignac number, because 289327 - 2³ = 289319 is a prime.

It is a super-2 number, since 2×289327² = 167420225858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2758 + ... + 2860.

2²⁸⁹³²⁷ is an apocalyptic number.

289327 is a deficient number, since it is larger than the sum of its proper divisors (8425).

289327 is an equidigital number, since it uses as much as digits as its factorization.

289327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 156 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 289327 is about 537.8912529499. The cubic root of 289327 is about 66.1398168514.

It can be divided in two parts, 289 and 327, that added together give a palindrome (616).

The spelling of 289327 in words is "two hundred eighty-nine thousand, three hundred twenty-seven".