6408403 has 8 divisors (see below), whose sum is σ = 6658560. Its totient is φ = 6163080.

The previous prime is 6408359. The next prime is 6408407. The reversal of 6408403 is 3048046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6408403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6408407) 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 in 7 ways as a sum of consecutive naturals, for example, 1618 + ... + 3928.

It is an arithmetic number, because the mean of its divisors is an integer number (832320).

Almost surely, 2^6408403 is an apocalyptic number.

6408403 is a deficient number, since it is larger than the sum of its proper divisors (250157).

6408403 is a wasteful number, since it uses less digits than its factorization.

6408403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6408403 is about 2531.4823720500. The cubic root of 6408403 is about 185.7447746224.

The spelling of 6408403 in words is "six million, four hundred eight thousand, four hundred three".