6628344 has 16 divisors (see below), whose sum is σ = 16570920. Its totient is φ = 2209440.

The previous prime is 6628313. The next prime is 6628357. The reversal of 6628344 is 4438266.

6628344 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

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, 138067 + ... + 138114.

Almost surely, 2^6628344 is an apocalyptic number.

It is an amenable number.

6628344 is an abundant number, since it is smaller than the sum of its proper divisors (9942576).

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

6628344 is a wasteful number, since it uses less digits than its factorization.

6628344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276190 (or 276186 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 6628344 is about 2574.5570492805. The cubic root of 6628344 is about 187.8458824450.

The spelling of 6628344 in words is "six million, six hundred twenty-eight thousand, three hundred forty-four".