3622624 has 24 divisors (see below), whose sum is σ = 7227360. Its totient is φ = 1787136.

The previous prime is 3622609. The next prime is 3622631. The reversal of 3622624 is 4262263.

It is a happy number.

3622624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1812 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (301140).

Almost surely, 2^3622624 is an apocalyptic number.

It is an amenable number.

3622624 is a deficient number, since it is larger than the sum of its proper divisors (3604736).

3622624 is a wasteful number, since it uses less digits than its factorization.

3622624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1514 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 3622624 is about 1903.3192060188. The cubic root of 3622624 is about 153.5822715360.

Adding to 3622624 its reverse (4262263), we get a palindrome (7884887).

The spelling of 3622624 in words is "three million, six hundred twenty-two thousand, six hundred twenty-four".