3020644 has 27 divisors (see below), whose sum is σ = 5884851. Its totient is φ = 1355640.

The previous prime is 3020617. The next prime is 3020651. The reversal of 3020644 is 4460203.

The square root of 3020644 is 1738.

It is a perfect power (a square), and thus also a powerful number.

3020644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 38197 + ... + 38275.

Almost surely, 2^3020644 is an apocalyptic number.

3020644 is the 1738-th square number.

It is an amenable number.

3020644 is a deficient number, since it is larger than the sum of its proper divisors (2864207).

3020644 is a wasteful number, since it uses less digits than its factorization.

3020644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The cubic root of 3020644 is about 144.5550210923. Note that the first 3 decimals are identical.

Multiplying 3020644 by its product of nonzero digits (576), we get a square (1739890944 = 41712²).

Adding to 3020644 its reverse (4460203), we get a palindrome (7480847).

The spelling of 3020644 in words is "three million, twenty thousand, six hundred forty-four".