3644530 has 16 divisors (see below), whose sum is σ = 6640704. Its totient is φ = 1439920.

The previous prime is 3644513. The next prime is 3644569. The reversal of 3644530 is 354463.

It is a junction number, because it is equal to n+sod(n) for n = 3644495 and 3644504.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1366 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (415044).

Almost surely, 2^3644530 is an apocalyptic number.

3644530 is a deficient number, since it is larger than the sum of its proper divisors (2996174).

3644530 is a wasteful number, since it uses less digits than its factorization.

3644530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3644530 is about 1909.0652162773. The cubic root of 3644530 is about 153.8912201948.

Adding to 3644530 its reverse (354463), we get a palindrome (3998993).

The spelling of 3644530 in words is "three million, six hundred forty-four thousand, five hundred thirty".