928563 has 4 divisors (see below), whose sum is σ = 1238088. Its totient is φ = 619040.

The previous prime is 928561. The next prime is 928597. The reversal of 928563 is 365829.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 928563 - 2¹ = 928561 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9² + 2¹⁰ + 5⁸ + 8⁴ + 6⁴ + 3¹² .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (928561) 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 3 ways as a sum of consecutive naturals, for example, 154758 + ... + 154763.

It is an arithmetic number, because the mean of its divisors is an integer number (309522).

2⁹²⁸⁵⁶³ is an apocalyptic number.

928563 is a deficient number, since it is larger than the sum of its proper divisors (309525).

928563 is a wasteful number, since it uses less digits than its factorization.

928563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309524.

The product of its digits is 12960, while the sum is 33.

The square root of 928563 is about 963.6197382785. The cubic root of 928563 is about 97.5597004523.

The spelling of 928563 in words is "nine hundred twenty-eight thousand, five hundred sixty-three".