5228724 has 72 divisors (see below), whose sum is σ = 13825728. Its totient is φ = 1532160.

The previous prime is 5228723. The next prime is 5228731. The reversal of 5228724 is 4278225.

Its product of digits (8960) is a multiple of the sum of its prime divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 5228691 and 5228700.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73609 + ... + 73679.

It is an arithmetic number, because the mean of its divisors is an integer number (192024).

Almost surely, 2^5228724 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 5228724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6912864).

5228724 is an abundant number, since it is smaller than the sum of its proper divisors (8597004).

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

5228724 is a wasteful number, since it uses less digits than its factorization.

5228724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 112 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 5228724 is about 2286.6403302662. The cubic root of 5228724 is about 173.5662336020.

The spelling of 5228724 in words is "five million, two hundred twenty-eight thousand, seven hundred twenty-four".