6408988 has 12 divisors (see below), whose sum is σ = 11253760. Its totient is φ = 3193632.

The previous prime is 6408977. The next prime is 6408991. The reversal of 6408988 is 8898046.

6408988 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1308 + ... + 3811.

Almost surely, 2^6408988 is an apocalyptic number.

It is an amenable number.

6408988 is a deficient number, since it is larger than the sum of its proper divisors (4844772).

6408988 is a wasteful number, since it uses less digits than its factorization.

6408988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 6408988 is about 2531.5979143616. The cubic root of 6408988 is about 185.7504264406.

It can be divided in two parts, 6408 and 988, that added together give a square (7396 = 86²).

The spelling of 6408988 in words is "six million, four hundred eight thousand, nine hundred eighty-eight".