6684384 has 120 divisors (see below), whose sum is σ = 21175560. Its totient is φ = 1843968.

The previous prime is 6684373. The next prime is 6684443. The reversal of 6684384 is 4834866.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 230482 + ... + 230510.

It is an arithmetic number, because the mean of its divisors is an integer number (176463).

Almost surely, 2^6684384 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 6684384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10587780).

6684384 is an abundant number, since it is smaller than the sum of its proper divisors (14491176).

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

6684384 is an equidigital number, since it uses as much as digits as its factorization.

6684384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 41 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 6684384 is about 2585.4175678215. The cubic root of 6684384 is about 188.3737847865.

Adding to 6684384 its product of digits (110592), we get a palindrome (6794976).

The spelling of 6684384 in words is "six million, six hundred eighty-four thousand, three hundred eighty-four".