6684468 has 96 divisors (see below), whose sum is σ = 19611648. Its totient is φ = 1728000.

The previous prime is 6684449. The next prime is 6684473. The reversal of 6684468 is 8644866.

It is a super-2 number, since 2×6684468² = 89364224886048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44193 + ... + 44343.

It is an arithmetic number, because the mean of its divisors is an integer number (204288).

Almost surely, 2^6684468 is an apocalyptic number.

6684468 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6684468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9805824).

6684468 is an abundant number, since it is smaller than the sum of its proper divisors (12927180).

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

6684468 is a wasteful number, since it uses less digits than its factorization.

6684468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 6684468 is about 2585.4338127285. The cubic root of 6684468 is about 188.3745738560.

The spelling of 6684468 in words is "six million, six hundred eighty-four thousand, four hundred sixty-eight".