3643436 has 12 divisors (see below), whose sum is σ = 6466320. Its totient is φ = 1795920.

The previous prime is 3643429. The next prime is 3643447. The reversal of 3643436 is 6343463.

3643436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3643399 and 3643408.

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 3 ways as a sum of consecutive naturals, for example, 6131 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (538860).

Almost surely, 2^3643436 is an apocalyptic number.

It is an amenable number.

3643436 is a deficient number, since it is larger than the sum of its proper divisors (2822884).

3643436 is a wasteful number, since it uses less digits than its factorization.

3643436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904 (or 12902 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

The square root of 3643436 is about 1908.7786671063. The cubic root of 3643436 is about 153.8758205097.

Adding to 3643436 its reverse (6343463), we get a palindrome (9986899).

The spelling of 3643436 in words is "three million, six hundred forty-three thousand, four hundred thirty-six".