6644246 has 16 divisors (see below), whose sum is σ = 12060576. Its totient is φ = 2679936.

The previous prime is 6644227. The next prime is 6644269. The reversal of 6644246 is 6424466.

It is a Curzon number.

It is a congruent number.

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, 13721 + ... + 14196.

It is an arithmetic number, because the mean of its divisors is an integer number (753786).

Almost surely, 2^6644246 is an apocalyptic number.

6644246 is a deficient number, since it is larger than the sum of its proper divisors (5416330).

6644246 is a wasteful number, since it uses less digits than its factorization.

6644246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27943.

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

The square root of 6644246 is about 2577.6434974604. The cubic root of 6644246 is about 187.9959822591.

The spelling of 6644246 in words is "six million, six hundred forty-four thousand, two hundred forty-six".