3243636 has 36 divisors (see below), whose sum is σ = 8945664. Its totient is φ = 982800.

The previous prime is 3243629. The next prime is 3243637. The reversal of 3243636 is 6363423.

3243636 is a `hidden beast` number, since 3 + 24 + 3 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

3243636 is a modest number, since divided by 3636 gives 324 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243637) 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 11 ways as a sum of consecutive naturals, for example, 3700 + ... + 4491.

Almost surely, 2^3243636 is an apocalyptic number.

3243636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3243636 is an abundant number, since it is smaller than the sum of its proper divisors (5702028).

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

3243636 is a wasteful number, since it uses less digits than its factorization.

3243636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212 (or 8207 counting only the distinct ones).

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

The square root of 3243636 is about 1801.0097167978. The cubic root of 3243636 is about 148.0280565266.

The spelling of 3243636 in words is "three million, two hundred forty-three thousand, six hundred thirty-six".