5644623 has 8 divisors (see below), whose sum is σ = 7566336. Its totient is φ = 3743000.

The previous prime is 5644607. The next prime is 5644627. The reversal of 5644623 is 3264465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5644623 - 2⁴ = 5644607 is a prime.

5644623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644627) 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, 4353 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (945792).

Almost surely, 2^5644623 is an apocalyptic number.

5644623 is a deficient number, since it is larger than the sum of its proper divisors (1921713).

5644623 is a wasteful number, since it uses less digits than its factorization.

5644623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045.

The product of its digits is 17280, while the sum is 30.

The square root of 5644623 is about 2375.8415351197. The cubic root of 5644623 is about 178.0512308876.

It can be divided in two parts, 564462 and 3, that added together give a palindrome (564465).

The spelling of 5644623 in words is "five million, six hundred forty-four thousand, six hundred twenty-three".