5640928 has 24 divisors (see below), whose sum is σ = 11158560. Its totient is φ = 2807040.

The previous prime is 5640919. The next prime is 5640953. The reversal of 5640928 is 8290465.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5640893 and 5640902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12873 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (464940).

Almost surely, 2^5640928 is an apocalyptic number.

It is an amenable number.

5640928 is a deficient number, since it is larger than the sum of its proper divisors (5517632).

5640928 is a wasteful number, since it uses less digits than its factorization.

5640928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5640928 is about 2375.0637886171. The cubic root of 5640928 is about 178.0123713154.

The spelling of 5640928 in words is "five million, six hundred forty thousand, nine hundred twenty-eight".