289349 has 2 divisors, whose sum is σ = 289350. Its totient is φ = 289348.

The previous prime is 289343. The next prime is 289361. The reversal of 289349 is 943982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 21025 = 518^2 + 145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289349 is a prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144674 + 144675.

It is an arithmetic number, because the mean of its divisors is an integer number (144675).

2²⁸⁹³⁴⁹ is an apocalyptic number.

It is an amenable number.

289349 is a deficient number, since it is larger than the sum of its proper divisors (1).

289349 is an equidigital number, since it uses as much as digits as its factorization.

289349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 289349 is about 537.9117027915. The cubic root of 289349 is about 66.1414932004.

The spelling of 289349 in words is "two hundred eighty-nine thousand, three hundred forty-nine".