5644128 has 96 divisors (see below), whose sum is σ = 17466624. Its totient is φ = 1562112.

The previous prime is 5644127. The next prime is 5644157. The reversal of 5644128 is 8214465.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 5644095 and 5644104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644127) 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 15 ways as a sum of consecutive naturals, for example, 24751 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (181944).

Almost surely, 2^5644128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5644128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8733312).

5644128 is an abundant number, since it is smaller than the sum of its proper divisors (11822496).

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

5644128 is a wasteful number, since it uses less digits than its factorization.

5644128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 276 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 5644128 is about 2375.7373592213. The cubic root of 5644128 is about 178.0460260560.

The spelling of 5644128 in words is "five million, six hundred forty-four thousand, one hundred twenty-eight".