8669449 has 4 divisors (see below), whose sum is σ = 8735760. Its totient is φ = 8603140.

The previous prime is 8669447. The next prime is 8669477. The reversal of 8669449 is 9449668.

8669449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8669449 - 2¹ = 8669447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8669399 and 8669408.

It is not an unprimeable number, because it can be changed into a prime (8669443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32959 + ... + 33220.

It is an arithmetic number, because the mean of its divisors is an integer number (2183940).

Almost surely, 2^8669449 is an apocalyptic number.

It is an amenable number.

8669449 is a deficient number, since it is larger than the sum of its proper divisors (66311).

8669449 is a wasteful number, since it uses less digits than its factorization.

8669449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66310.

The product of its digits is 373248, while the sum is 46.

The square root of 8669449 is about 2944.3928066751. The cubic root of 8669449 is about 205.4299838631.

The spelling of 8669449 in words is "eight million, six hundred sixty-nine thousand, four hundred forty-nine".