6644332 has 12 divisors (see below), whose sum is σ = 12133296. Its totient is φ = 3177680.

The previous prime is 6644327. The next prime is 6644359. The reversal of 6644332 is 2334466.

It is a d-powerful number, because it can be written as 6⁴ + 6⁴ + 4⁴ + 4⁹ + 3¹³ + 3¹⁴ + 2¹¹ .

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6644332.

It is an unprimeable number.

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, 36019 + ... + 36202.

It is an arithmetic number, because the mean of its divisors is an integer number (1011108).

Almost surely, 2^6644332 is an apocalyptic number.

It is an amenable number.

6644332 is a deficient number, since it is larger than the sum of its proper divisors (5488964).

6644332 is a wasteful number, since it uses less digits than its factorization.

6644332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72248 (or 72246 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 6644332 is about 2577.6601793099. The cubic root of 6644332 is about 187.9967933662.

Adding to 6644332 its reverse (2334466), we get a palindrome (8978798).

The spelling of 6644332 in words is "six million, six hundred forty-four thousand, three hundred thirty-two".