6636432 has 40 divisors (see below), whose sum is σ = 18704160. Its totient is φ = 2010880.

The previous prime is 6636359. The next prime is 6636433. The reversal of 6636432 is 2346366.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6636432.

It is not an unprimeable number, because it can be changed into a prime (6636433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5757 + ... + 6812.

It is an arithmetic number, because the mean of its divisors is an integer number (467604).

Almost surely, 2^6636432 is an apocalyptic number.

It is an amenable number.

6636432 is an abundant number, since it is smaller than the sum of its proper divisors (12067728).

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

6636432 is a wasteful number, since it uses less digits than its factorization.

6636432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12591 (or 12585 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 6636432 is about 2576.1273260458. The cubic root of 6636432 is about 187.9222554657.

The spelling of 6636432 in words is "six million, six hundred thirty-six thousand, four hundred thirty-two".