528939 has 6 divisors (see below), whose sum is σ = 764036. Its totient is φ = 352620.

The previous prime is 528929. The next prime is 528947. The reversal of 528939 is 939825.

It is not a de Polignac number, because 528939 - 2⁷ = 528811 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9 and base 14.

It is not an unprimeable number, because it can be changed into a prime (528929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29377 + ... + 29394.

2⁵²⁸⁹³⁹ is an apocalyptic number.

528939 is a deficient number, since it is larger than the sum of its proper divisors (235097).

528939 is a wasteful number, since it uses less digits than its factorization.

528939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58777 (or 58774 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 528939 is about 727.2819260782. The cubic root of 528939 is about 80.8726852240.

The spelling of 528939 in words is "five hundred twenty-eight thousand, nine hundred thirty-nine".