3644336 has 20 divisors (see below), whose sum is σ = 7226472. Its totient is φ = 1779456.

The previous prime is 3644321. The next prime is 3644339. The reversal of 3644336 is 6334463.

It is a junction number, because it is equal to n+sod(n) for n = 3644299 and 3644308.

It is not an unprimeable number, because it can be changed into a prime (3644339) 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 3 ways as a sum of consecutive naturals, for example, 1961 + ... + 3336.

Almost surely, 2^3644336 is an apocalyptic number.

It is an amenable number.

3644336 is a deficient number, since it is larger than the sum of its proper divisors (3582136).

3644336 is a wasteful number, since it uses less digits than its factorization.

3644336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348 (or 5342 counting only the distinct ones).

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

The square root of 3644336 is about 1909.0144053935. The cubic root of 3644336 is about 153.8884895797. Note that the first 3 decimals are identical.

Adding to 3644336 its reverse (6334463), we get a palindrome (9978799).

The spelling of 3644336 in words is "three million, six hundred forty-four thousand, three hundred thirty-six".