6424444 has 12 divisors (see below), whose sum is σ = 12107704. Its totient is φ = 2965104.

The previous prime is 6424427. The next prime is 6424447. The reversal of 6424444 is 4444246.

6424444 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 (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61722 + ... + 61825.

Almost surely, 2^6424444 is an apocalyptic number.

It is an amenable number.

6424444 is a deficient number, since it is larger than the sum of its proper divisors (5683260).

6424444 is a wasteful number, since it uses less digits than its factorization.

6424444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123564 (or 123562 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 6424444 is about 2534.6486936063. The cubic root of 6424444 is about 185.8996259605.

The spelling of 6424444 in words is "six million, four hundred twenty-four thousand, four hundred forty-four".