6408868 has 12 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 3194792.

The previous prime is 6408859. The next prime is 6408869. The reversal of 6408868 is 8688046.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6408868.

It is not an unprimeable number, because it can be changed into a prime (6408869) 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, 796 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^6408868 is an apocalyptic number.

It is an amenable number.

6408868 is a deficient number, since it is larger than the sum of its proper divisors (4840412).

6408868 is a wasteful number, since it uses less digits than its factorization.

6408868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826 (or 4824 counting only the distinct ones).

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

The square root of 6408868 is about 2531.5742138045. The cubic root of 6408868 is about 185.7492671213.

The spelling of 6408868 in words is "six million, four hundred eight thousand, eight hundred sixty-eight".