3636432 has 30 divisors (see below), whose sum is σ = 10177362. Its totient is φ = 1212096.

The previous prime is 3636427. The next prime is 3636439. The reversal of 3636432 is 2346363.

It can be written as a sum of positive squares in only one way, i.e., 3594816 + 41616 = 1896^2 + 204^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3636396 and 3636405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636439) 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 5 ways as a sum of consecutive naturals, for example, 12483 + ... + 12770.

Almost surely, 2^3636432 is an apocalyptic number.

It is an amenable number.

3636432 is an abundant number, since it is smaller than the sum of its proper divisors (6540930).

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

3636432 is a wasteful number, since it uses less digits than its factorization.

3636432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25267 (or 25258 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 3636432 is about 1906.9431035036. The cubic root of 3636432 is about 153.7771556238. Note that the first 3 decimals are identical.

The spelling of 3636432 in words is "three million, six hundred thirty-six thousand, four hundred thirty-two".