6669444 has 24 divisors (see below), whose sum is σ = 15603840. Its totient is φ = 2217184.

The previous prime is 6669413. The next prime is 6669451. The reversal of 6669444 is 4449666.

6669444 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8242 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (650160).

Almost surely, 2^6669444 is an apocalyptic number.

It is an amenable number.

6669444 is an abundant number, since it is smaller than the sum of its proper divisors (8934396).

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

6669444 is a wasteful number, since it uses less digits than its factorization.

6669444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1497 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 6669444 is about 2582.5266697558. The cubic root of 6669444 is about 188.2333378550.

The spelling of 6669444 in words is "six million, six hundred sixty-nine thousand, four hundred forty-four".