8689349 has 2 divisors, whose sum is σ = 8689350. Its totient is φ = 8689348.

The previous prime is 8689321. The next prime is 8689399. The reversal of 8689349 is 9439868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7941124 + 748225 = 2818^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 8689349 - 2¹² = 8685253 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8689309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4344674 + 4344675.

It is an arithmetic number, because the mean of its divisors is an integer number (4344675).

Almost surely, 2^8689349 is an apocalyptic number.

It is an amenable number.

8689349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8689349 is an equidigital number, since it uses as much as digits as its factorization.

8689349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 8689349 is about 2947.7701742164. The cubic root of 8689349 is about 205.5870462373.

The spelling of 8689349 in words is "eight million, six hundred eighty-nine thousand, three hundred forty-nine".