6408680 has 16 divisors (see below), whose sum is σ = 14419620. Its totient is φ = 2563456.

The previous prime is 6408653. The next prime is 6408691. The reversal of 6408680 is 868046.

It can be written as a sum of positive squares in 2 ways, for example, as 6180196 + 228484 = 2486^2 + 478^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80069 + ... + 80148.

Almost surely, 2^6408680 is an apocalyptic number.

It is an amenable number.

6408680 is an abundant number, since it is smaller than the sum of its proper divisors (8010940).

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

6408680 is a wasteful number, since it uses less digits than its factorization.

6408680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160228 (or 160224 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 6408680 is about 2531.5370824857. The cubic root of 6408680 is about 185.7474508254.

The spelling of 6408680 in words is "six million, four hundred eight thousand, six hundred eighty".