928559 has 2 divisors, whose sum is σ = 928560. Its totient is φ = 928558.

The previous prime is 928547. The next prime is 928561. The reversal of 928559 is 955829.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 928559 - 2¹² = 924463 is a prime.

Together with 928561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (928159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464279 + 464280.

It is an arithmetic number, because the mean of its divisors is an integer number (464280).

2⁹²⁸⁵⁵⁹ is an apocalyptic number.

928559 is a deficient number, since it is larger than the sum of its proper divisors (1).

928559 is an equidigital number, since it uses as much as digits as its factorization.

928559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 928559 is about 963.6176627688. The cubic root of 928559 is about 97.5595603651.

The spelling of 928559 in words is "nine hundred twenty-eight thousand, five hundred fifty-nine".