5644443 has 8 divisors (see below), whose sum is σ = 8601088. Its totient is φ = 3225384.

The previous prime is 5644439. The next prime is 5644477. The reversal of 5644443 is 3444465.

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

It is not a de Polignac number, because 5644443 - 2² = 5644439 is a prime.

It is a Duffinian number.

5644443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5644443.

It is not an unprimeable number, because it can be changed into a prime (5644043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134371 + ... + 134412.

It is an arithmetic number, because the mean of its divisors is an integer number (1075136).

Almost surely, 2^5644443 is an apocalyptic number.

5644443 is a deficient number, since it is larger than the sum of its proper divisors (2956645).

5644443 is a wasteful number, since it uses less digits than its factorization.

5644443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268793.

The product of its digits is 23040, while the sum is 30.

The square root of 5644443 is about 2375.8036535034. The cubic root of 5644443 is about 178.0493382568.

The spelling of 5644443 in words is "five million, six hundred forty-four thousand, four hundred forty-three".