5605644 has 24 divisors (see below), whose sum is σ = 14269248. Its totient is φ = 1698640.

The previous prime is 5605619. The next prime is 5605661. The reversal of 5605644 is 4465065.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21102 + ... + 21365.

It is an arithmetic number, because the mean of its divisors is an integer number (594552).

Almost surely, 2^5605644 is an apocalyptic number.

It is an amenable number.

5605644 is an abundant number, since it is smaller than the sum of its proper divisors (8663604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5605644 is a wasteful number, since it uses less digits than its factorization.

5605644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42485 (or 42483 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 5605644 is about 2367.6241255740. The cubic root of 5605644 is about 177.6404390099.

The spelling of 5605644 in words is "five million, six hundred five thousand, six hundred forty-four".