563728 has 20 divisors (see below), whose sum is σ = 1191888. Its totient is φ = 256160.

The previous prime is 563723. The next prime is 563743. The reversal of 563728 is 827365.

It is a self number, because there is not a number n which added to its sum of digits gives 563728.

It is not an unprimeable number, because it can be changed into a prime (563723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426 + ... + 1777.

2⁵⁶³⁷²⁸ is an apocalyptic number.

It is an amenable number.

563728 is an abundant number, since it is smaller than the sum of its proper divisors (628160).

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

563728 is a wasteful number, since it uses less digits than its factorization.

563728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222 (or 3216 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 563728 is about 750.8182203436. The cubic root of 563728 is about 82.6082081789.

It can be divided in two parts, 5637 and 28, that added together give a palindrome (5665).

The spelling of 563728 in words is "five hundred sixty-three thousand, seven hundred twenty-eight".