5229728 has 48 divisors (see below), whose sum is σ = 12104064. Its totient is φ = 2177280.

The previous prime is 5229709. The next prime is 5229739. The reversal of 5229728 is 8279225.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7973 + ... + 8603.

It is an arithmetic number, because the mean of its divisors is an integer number (252168).

Almost surely, 2^5229728 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 5229728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6052032).

5229728 is an abundant number, since it is smaller than the sum of its proper divisors (6874336).

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

5229728 is a wasteful number, since it uses less digits than its factorization.

5229728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 677 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 5229728 is about 2286.8598557848. The cubic root of 5229728 is about 173.5773420704.

It can be divided in two parts, 52297 and 28, that added together give a palindrome (52325).

The spelling of 5229728 in words is "five million, two hundred twenty-nine thousand, seven hundred twenty-eight".