8322643 has 8 divisors (see below), whose sum is σ = 9691488. Its totient is φ = 6998784.

The previous prime is 8322637. The next prime is 8322647. The reversal of 8322643 is 3462238.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8322643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8322647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10846 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (1211436).

Almost surely, 2^8322643 is an apocalyptic number.

8322643 is a deficient number, since it is larger than the sum of its proper divisors (1368845).

8322643 is a wasteful number, since it uses less digits than its factorization.

8322643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22493.

The product of its digits is 6912, while the sum is 28.

The square root of 8322643 is about 2884.8991316855. The cubic root of 8322643 is about 202.6533350654.

The spelling of 8322643 in words is "eight million, three hundred twenty-two thousand, six hundred forty-three".