6636252 has 48 divisors (see below), whose sum is σ = 17830400. Its totient is φ = 1881792.

The previous prime is 6636229. The next prime is 6636269. The reversal of 6636252 is 2526366.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 16518 + ... + 16914.

Almost surely, 2^6636252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6636252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8915200).

6636252 is an abundant number, since it is smaller than the sum of its proper divisors (11194148).

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

6636252 is a wasteful number, since it uses less digits than its factorization.

6636252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 6636252 is about 2576.0923896475. The cubic root of 6636252 is about 187.9205564447.

The spelling of 6636252 in words is "six million, six hundred thirty-six thousand, two hundred fifty-two".