5624644 has 6 divisors (see below), whose sum is σ = 9843134. Its totient is φ = 2812320.

The previous prime is 5624621. The next prime is 5624651. The reversal of 5624644 is 4464265.

It can be written as a sum of positive squares in only one way, i.e., 5616900 + 7744 = 2370^2 + 88^2 .

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 as a sum of consecutive naturals, namely, 703077 + ... + 703084.

Almost surely, 2^5624644 is an apocalyptic number.

It is an amenable number.

5624644 is a deficient number, since it is larger than the sum of its proper divisors (4218490).

5624644 is a wasteful number, since it uses less digits than its factorization.

5624644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406165 (or 1406163 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 5624644 is about 2371.6331925490. The cubic root of 5624644 is about 177.8409132816.

The spelling of 5624644 in words is "five million, six hundred twenty-four thousand, six hundred forty-four".