6662444 has 6 divisors (see below), whose sum is σ = 11659284. Its totient is φ = 3331220.

The previous prime is 6662437. The next prime is 6662449. The reversal of 6662444 is 4442666.

It is a self number, because there is not a number n which added to its sum of digits gives 6662444.

It is not an unprimeable number, because it can be changed into a prime (6662449) 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 as a sum of consecutive naturals, namely, 832802 + ... + 832809.

It is an arithmetic number, because the mean of its divisors is an integer number (1943214).

Almost surely, 2^6662444 is an apocalyptic number.

It is an amenable number.

6662444 is a deficient number, since it is larger than the sum of its proper divisors (4996840).

6662444 is a wasteful number, since it uses less digits than its factorization.

6662444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665615 (or 1665613 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 6662444 is about 2581.1710520614. The cubic root of 6662444 is about 188.1674605688.

The spelling of 6662444 in words is "six million, six hundred sixty-two thousand, four hundred forty-four".