289347 has 8 divisors (see below), whose sum is σ = 394944. Its totient is φ = 188328.

The previous prime is 289343. The next prime is 289349. The reversal of 289347 is 743982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 289347 - 2² = 289343 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 8 + 3⁷ + 9 + 4⁹ + 7⁵ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289347.

It is not an unprimeable number, because it can be changed into a prime (289343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 1250.

It is an arithmetic number, because the mean of its divisors is an integer number (49368).

2²⁸⁹³⁴⁷ is an apocalyptic number.

289347 is a deficient number, since it is larger than the sum of its proper divisors (105597).

289347 is a wasteful number, since it uses less digits than its factorization.

289347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289.

The product of its digits is 12096, while the sum is 33.

The square root of 289347 is about 537.9098437471. The cubic root of 289347 is about 66.1413408085.

It can be divided in two parts, 289 and 347, that added together give a palindrome (636).

The spelling of 289347 in words is "two hundred eighty-nine thousand, three hundred forty-seven".