6646252 has 24 divisors (see below), whose sum is σ = 12607056. Its totient is φ = 3053568.

The previous prime is 6646247. The next prime is 6646259. The reversal of 6646252 is 2526466.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6646259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788 + ... + 4060.

It is an arithmetic number, because the mean of its divisors is an integer number (525294).

Almost surely, 2^6646252 is an apocalyptic number.

It is an amenable number.

6646252 is a deficient number, since it is larger than the sum of its proper divisors (5960804).

6646252 is a wasteful number, since it uses less digits than its factorization.

6646252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2335 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 6646252 is about 2578.0325831921. The cubic root of 6646252 is about 188.0148999810.

The spelling of 6646252 in words is "six million, six hundred forty-six thousand, two hundred fifty-two".