528868 has 12 divisors (see below), whose sum is σ = 934780. Its totient is φ = 261792.

The previous prime is 528863. The next prime is 528877. The reversal of 528868 is 868825.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 362404 = 408^2 + 602^2 .

It is a super-2 number, since 2×528868² = 559402722848, which contains 22 as substring.

It is a nialpdrome in base 9 and base 14.

It is not an unprimeable number, because it can be changed into a prime (528863) by changing a digit.

528868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 171 + ... + 1042.

2⁵²⁸⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

528868 is a deficient number, since it is larger than the sum of its proper divisors (405912).

528868 is a wasteful number, since it uses less digits than its factorization.

528868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1324 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 528868 is about 727.2331125575. The cubic root of 528868 is about 80.8690665222.

It can be divided in two parts, 5288 and 68, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 528868 in words is "five hundred twenty-eight thousand, eight hundred sixty-eight".