289417 has 2 divisors, whose sum is σ = 289418. Its totient is φ = 289416.

The previous prime is 289397. The next prime is 289423. The reversal of 289417 is 714982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251001 + 38416 = 501^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289417 is a prime.

It is not a weakly prime, because it can be changed into another prime (289477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144708 + 144709.

It is an arithmetic number, because the mean of its divisors is an integer number (144709).

2²⁸⁹⁴¹⁷ is an apocalyptic number.

It is an amenable number.

289417 is a deficient number, since it is larger than the sum of its proper divisors (1).

289417 is an equidigital number, since it uses as much as digits as its factorization.

289417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 289417 is about 537.9749064780. The cubic root of 289417 is about 66.1466741056.

The spelling of 289417 in words is "two hundred eighty-nine thousand, four hundred seventeen".