5644432 has 20 divisors (see below), whose sum is σ = 10999296. Its totient is φ = 2805920.

The previous prime is 5644421. The next prime is 5644439. The reversal of 5644432 is 2344465.

It is a super-2 number, since 2×5644432² = 63719225205248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5644432.

It is not an unprimeable number, because it can be changed into a prime (5644439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133 + ... + 3979.

Almost surely, 2^5644432 is an apocalyptic number.

It is an amenable number.

5644432 is a deficient number, since it is larger than the sum of its proper divisors (5354864).

5644432 is a wasteful number, since it uses less digits than its factorization.

5644432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2040 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 5644432 is about 2375.8013384961. The cubic root of 5644432 is about 178.0492225947.

Adding to 5644432 its reverse (2344465), we get a palindrome (7988897).

The spelling of 5644432 in words is "five million, six hundred forty-four thousand, four hundred thirty-two".