6644848 has 40 divisors (see below), whose sum is σ = 14919680. Its totient is φ = 2808000.

The previous prime is 6644843. The next prime is 6644863. The reversal of 6644848 is 8484466.

It is a self number, because there is not a number n which added to its sum of digits gives 6644848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6644843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8473 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (372992).

Almost surely, 2^6644848 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 6644848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7459840).

6644848 is an abundant number, since it is smaller than the sum of its proper divisors (8274832).

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

6644848 is a wasteful number, since it uses less digits than its factorization.

6644848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 839 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 6644848 is about 2577.7602681398. The cubic root of 6644848 is about 188.0016598616.

The spelling of 6644848 in words is "six million, six hundred forty-four thousand, eight hundred forty-eight".