5289728 has 18 divisors (see below), whose sum is σ = 10559304. Its totient is φ = 2644736.

The previous prime is 5289727. The next prime is 5289743. The reversal of 5289728 is 8279825.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5289721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (586628).

Almost surely, 2^5289728 is an apocalyptic number.

It is an amenable number.

5289728 is a deficient number, since it is larger than the sum of its proper divisors (5269576).

5289728 is an equidigital number, since it uses as much as digits as its factorization.

5289728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20679 (or 20665 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 5289728 is about 2299.9408688051. The cubic root of 5289728 is about 174.2386297349.

It can be divided in two parts, 52897 and 28, that added together give a palindrome (52925).

The spelling of 5289728 in words is "five million, two hundred eighty-nine thousand, seven hundred twenty-eight".