5644928 has 16 divisors (see below), whose sum is σ = 11246010. Its totient is φ = 2822400.

The previous prime is 5644927. The next prime is 5644931. The reversal of 5644928 is 8294465.

It can be written as a sum of positive squares in only one way, i.e., 2849344 + 2795584 = 1688^2 + 1672^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 5644891 and 5644900.

It is not an unprimeable number, because it can be changed into a prime (5644927) 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 as a sum of consecutive naturals, namely, 21923 + ... + 22178.

Almost surely, 2^5644928 is an apocalyptic number.

It is an amenable number.

5644928 is a deficient number, since it is larger than the sum of its proper divisors (5601082).

5644928 is an equidigital number, since it uses as much as digits as its factorization.

5644928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44115 (or 44103 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 5644928 is about 2375.9057220353. The cubic root of 5644928 is about 178.0544377535.

The spelling of 5644928 in words is "five million, six hundred forty-four thousand, nine hundred twenty-eight".