6408459 has 6 divisors (see below), whose sum is σ = 9256676. Its totient is φ = 4272300.

The previous prime is 6408443. The next prime is 6408461. The reversal of 6408459 is 9548046.

6408459 is a `hidden beast` number, since 640 + 8 + 4 + 5 + 9 = 666.

It is not a de Polignac number, because 6408459 - 2⁴ = 6408443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6408469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356017 + ... + 356034.

Almost surely, 2^6408459 is an apocalyptic number.

6408459 is a deficient number, since it is larger than the sum of its proper divisors (2848217).

6408459 is a wasteful number, since it uses less digits than its factorization.

6408459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712057 (or 712054 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6408459 is about 2531.4934327389. The cubic root of 6408459 is about 185.7453156660.

The spelling of 6408459 in words is "six million, four hundred eight thousand, four hundred fifty-nine".