8443668 has 24 divisors (see below), whose sum is σ = 20559168. Its totient is φ = 2692096.

The previous prime is 8443651. The next prime is 8443703. The reversal of 8443668 is 8663448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15021 + ... + 15572.

It is an arithmetic number, because the mean of its divisors is an integer number (856632).

Almost surely, 2^8443668 is an apocalyptic number.

It is an amenable number.

8443668 is an abundant number, since it is smaller than the sum of its proper divisors (12115500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8443668 is a wasteful number, since it uses less digits than its factorization.

8443668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30623 (or 30621 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 8443668 is about 2905.7990295270. The cubic root of 8443668 is about 203.6309166514.

The spelling of 8443668 in words is "eight million, four hundred forty-three thousand, six hundred sixty-eight".