6408396 has 72 divisors (see below), whose sum is σ = 17734080. Its totient is φ = 2017872.

The previous prime is 6408359. The next prime is 6408407. The reversal of 6408396 is 6938046.

6408396 is a `hidden beast` number, since 640 + 8 + 3 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6408396.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18295 + ... + 18641.

Almost surely, 2^6408396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6408396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8867040).

6408396 is an abundant number, since it is smaller than the sum of its proper divisors (11325684).

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

6408396 is a wasteful number, since it uses less digits than its factorization.

6408396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6408396 is about 2531.4809894605. The cubic root of 6408396 is about 185.7447069917.

The spelling of 6408396 in words is "six million, four hundred eight thousand, three hundred ninety-six".