5443644 has 12 divisors (see below), whose sum is σ = 12701864. Its totient is φ = 1814544.

The previous prime is 5443643. The next prime is 5443649. The reversal of 5443644 is 4463445.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226807 + ... + 226830.

Almost surely, 2^5443644 is an apocalyptic number.

It is an amenable number.

5443644 is an abundant number, since it is smaller than the sum of its proper divisors (7258220).

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

5443644 is a wasteful number, since it uses less digits than its factorization.

5443644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453644 (or 453642 counting only the distinct ones).

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

The square root of 5443644 is about 2333.1618032190. The cubic root of 5443644 is about 175.9124478451.

The spelling of 5443644 in words is "five million, four hundred forty-three thousand, six hundred forty-four".