8669321 has 4 divisors (see below), whose sum is σ = 9046272. Its totient is φ = 8292372.

The previous prime is 8669317. The next prime is 8669329. The reversal of 8669321 is 1239668.

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 8669321 - 2² = 8669317 is a prime.

It is a d-powerful number, because it can be written as 8 + 6² + 6⁷ + 9³ + 3 + 2²³ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8669329) 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, 188441 + ... + 188486.

It is an arithmetic number, because the mean of its divisors is an integer number (2261568).

Almost surely, 2^8669321 is an apocalyptic number.

It is an amenable number.

8669321 is a deficient number, since it is larger than the sum of its proper divisors (376951).

8669321 is a wasteful number, since it uses less digits than its factorization.

8669321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376950.

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

The square root of 8669321 is about 2944.3710703646. The cubic root of 8669321 is about 205.4289728351.

The spelling of 8669321 in words is "eight million, six hundred sixty-nine thousand, three hundred twenty-one".