8668424 has 16 divisors (see below), whose sum is σ = 16960320. Its totient is φ = 4145680.

The previous prime is 8668423. The next prime is 8668459. The reversal of 8668424 is 4248668.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8668421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23372 + ... + 23739.

It is an arithmetic number, because the mean of its divisors is an integer number (1060020).

Almost surely, 2^8668424 is an apocalyptic number.

It is an amenable number.

8668424 is a deficient number, since it is larger than the sum of its proper divisors (8291896).

8668424 is a wasteful number, since it uses less digits than its factorization.

8668424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47140 (or 47136 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 8668424 is about 2944.2187418736. The cubic root of 8668424 is about 205.4218874611.

The spelling of 8668424 in words is "eight million, six hundred sixty-eight thousand, four hundred twenty-four".