289343 has 2 divisors, whose sum is σ = 289344. Its totient is φ = 289342.

The previous prime is 289319. The next prime is 289349. The reversal of 289343 is 343982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 289343 - 2¹⁴ = 272959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144671 + 144672.

It is an arithmetic number, because the mean of its divisors is an integer number (144672).

2²⁸⁹³⁴³ is an apocalyptic number.

289343 is a deficient number, since it is larger than the sum of its proper divisors (1).

289343 is an equidigital number, since it uses as much as digits as its factorization.

289343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 289343 is about 537.9061256390. The cubic root of 289343 is about 66.1410360227.

The spelling of 289343 in words is "two hundred eighty-nine thousand, three hundred forty-three".