5821728 has 96 divisors (see below), whose sum is σ = 17236800. Its totient is φ = 1704960.

The previous prime is 5821693. The next prime is 5821729. The reversal of 5821728 is 8271285.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5821729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38998 + ... + 39146.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

Almost surely, 2^5821728 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 5821728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8618400).

5821728 is an abundant number, since it is smaller than the sum of its proper divisors (11415072).

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

5821728 is a wasteful number, since it uses less digits than its factorization.

5821728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 202 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 5821728 is about 2412.8257293058. The cubic root of 5821728 is about 179.8942588821.

The spelling of 5821728 in words is "five million, eight hundred twenty-one thousand, seven hundred twenty-eight".