5609644 has 24 divisors (see below), whose sum is σ = 10437840. Its totient is φ = 2632896.

The previous prime is 5609633. The next prime is 5609647. The reversal of 5609644 is 4469065.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5609647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3639 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (434910).

Almost surely, 2^5609644 is an apocalyptic number.

It is an amenable number.

5609644 is a deficient number, since it is larger than the sum of its proper divisors (4828196).

5609644 is a wasteful number, since it uses less digits than its factorization.

5609644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 5609644 is about 2368.4687036142. The cubic root of 5609644 is about 177.6826817218.

The spelling of 5609644 in words is "five million, six hundred nine thousand, six hundred forty-four".