5590728 has 128 divisors (see below), whose sum is σ = 18345600. Its totient is φ = 1555200.

The previous prime is 5590723. The next prime is 5590729. The reversal of 5590728 is 8270955.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5590692 and 5590701.

It is not an unprimeable number, because it can be changed into a prime (5590723) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30798 + ... + 30978.

It is an arithmetic number, because the mean of its divisors is an integer number (143325).

Almost surely, 2^5590728 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 5590728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9172800).

5590728 is an abundant number, since it is smaller than the sum of its proper divisors (12754872).

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

5590728 is a wasteful number, since it uses less digits than its factorization.

5590728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 5590728 is about 2364.4720340913. The cubic root of 5590728 is about 177.4827385185.

The spelling of 5590728 in words is "five million, five hundred ninety thousand, seven hundred twenty-eight".