8666448 has 40 divisors (see below), whose sum is σ = 25587648. Its totient is φ = 2476032.

The previous prime is 8666443. The next prime is 8666459. The reversal of 8666448 is 8446668.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12561 + ... + 13232.

Almost surely, 2^8666448 is an apocalyptic number.

It is an amenable number.

8666448 is an abundant number, since it is smaller than the sum of its proper divisors (16921200).

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

8666448 is a wasteful number, since it uses less digits than its factorization.

8666448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25811 (or 25805 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 8666448 is about 2943.8831498550. The cubic root of 8666448 is about 205.4062773764.

The spelling of 8666448 in words is "eight million, six hundred sixty-six thousand, four hundred forty-eight".