5228729 has 16 divisors (see below), whose sum is σ = 6073920. Its totient is φ = 4455360.

The previous prime is 5228723. The next prime is 5228731. The reversal of 5228729 is 9278225.

It is a cyclic number.

It is not a de Polignac number, because 5228729 - 2⁸ = 5228473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5228723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11582 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (379620).

Almost surely, 2^5228729 is an apocalyptic number.

It is an amenable number.

5228729 is a deficient number, since it is larger than the sum of its proper divisors (845191).

5228729 is a wasteful number, since it uses less digits than its factorization.

5228729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

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

The square root of 5228729 is about 2286.6414235730. The cubic root of 5228729 is about 173.5662889265.

The spelling of 5228729 in words is "five million, two hundred twenty-eight thousand, seven hundred twenty-nine".