8668408 has 32 divisors (see below), whose sum is σ = 19555200. Its totient is φ = 3519072.

The previous prime is 8668403. The next prime is 8668421. The reversal of 8668408 is 8048668.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668403) 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, 3010 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (611100).

Almost surely, 2^8668408 is an apocalyptic number.

It is an amenable number.

8668408 is an abundant number, since it is smaller than the sum of its proper divisors (10886792).

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

8668408 is a wasteful number, since it uses less digits than its factorization.

8668408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179 (or 8175 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 8668408 is about 2944.2160246830. The cubic root of 8668408 is about 205.4217610732.

The spelling of 8668408 in words is "eight million, six hundred sixty-eight thousand, four hundred eight".