8609449 has 2 divisors, whose sum is σ = 8609450. Its totient is φ = 8609448.

The previous prime is 8609443. The next prime is 8609459. The reversal of 8609449 is 9449068.

8609449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8555625 + 53824 = 2925^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 8609449 - 2³ = 8609441 is a prime.

It is a super-2 number, since 2×8609449² = 148245224167202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8609441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304724 + 4304725.

It is an arithmetic number, because the mean of its divisors is an integer number (4304725).

Almost surely, 2^8609449 is an apocalyptic number.

It is an amenable number.

8609449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8609449 is an equidigital number, since it uses as much as digits as its factorization.

8609449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8609449 is about 2934.1862585732. The cubic root of 8609449 is about 204.9549692882.

The spelling of 8609449 in words is "eight million, six hundred nine thousand, four hundred forty-nine".