6641344 has 28 divisors (see below), whose sum is σ = 13505688. Its totient is φ = 3238400.

The previous prime is 6641333. The next prime is 6641351. The reversal of 6641344 is 4431466.

It is a happy number.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (482346).

Almost surely, 2^6641344 is an apocalyptic number.

6641344 is a gapful number since it is divisible by the number (64) 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 6641344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6752844).

6641344 is an abundant number, since it is smaller than the sum of its proper divisors (6864344).

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

6641344 is a wasteful number, since it uses less digits than its factorization.

6641344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 2574 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 6641344 is about 2577.0805187266. The cubic root of 6641344 is about 187.9686080073.

The spelling of 6641344 in words is "six million, six hundred forty-one thousand, three hundred forty-four".