6389408 has 12 divisors (see below), whose sum is σ = 12579210. Its totient is φ = 3194688.

The previous prime is 6389407. The next prime is 6389417. The reversal of 6389408 is 8049836.

It can be written as a sum of positive squares in only one way, i.e., 5071504 + 1317904 = 2252^2 + 1148^2 .

It is not an unprimeable number, because it can be changed into a prime (6389401) by changing a digit.

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 as a sum of consecutive naturals, namely, 99803 + ... + 99866.

Almost surely, 2^6389408 is an apocalyptic number.

It is an amenable number.

6389408 is a deficient number, since it is larger than the sum of its proper divisors (6189802).

6389408 is a wasteful number, since it uses less digits than its factorization.

6389408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199679 (or 199671 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6389408 is about 2527.7278334504. The cubic root of 6389408 is about 185.5610723948.

The spelling of 6389408 in words is "six million, three hundred eighty-nine thousand, four hundred eight".