6644124 has 18 divisors (see below), whose sum is σ = 16794960. Its totient is φ = 2214696.

The previous prime is 6644123. The next prime is 6644147. The reversal of 6644124 is 4214466.

6644124 is a `hidden beast` number, since 6 + 644 + 12 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6644123) 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 5 ways as a sum of consecutive naturals, for example, 92244 + ... + 92315.

Almost surely, 2^6644124 is an apocalyptic number.

It is an amenable number.

6644124 is an abundant number, since it is smaller than the sum of its proper divisors (10150836).

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

6644124 is a wasteful number, since it uses less digits than its factorization.

6644124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184569 (or 184564 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 6644124 is about 2577.6198323259. The cubic root of 6644124 is about 187.9948316068.

The spelling of 6644124 in words is "six million, six hundred forty-four thousand, one hundred twenty-four".