5644430 has 48 divisors (see below), whose sum is σ = 11705904. Its totient is φ = 1943040.

The previous prime is 5644421. The next prime is 5644439. The reversal of 5644430 is 344465.

It is an interprime number because it is at equal distance from previous prime (5644421) and next prime (5644439).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5644430.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58142 + ... + 58238.

It is an arithmetic number, because the mean of its divisors is an integer number (243873).

Almost surely, 2^5644430 is an apocalyptic number.

5644430 is the 1940-th pentagonal number.

5644430 is an abundant number, since it is smaller than the sum of its proper divisors (6061474).

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

5644430 is a wasteful number, since it uses less digits than its factorization.

5644430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 5644430 is about 2375.8009175855. The cubic root of 5644430 is about 178.0492015652.

Adding to 5644430 its reverse (344465), we get a palindrome (5988895).

It can be divided in two parts, 564 and 4430, that added together give a palindrome (4994).

The spelling of 5644430 in words is "five million, six hundred forty-four thousand, four hundred thirty".