528706 has 4 divisors (see below), whose sum is σ = 793062. Its totient is φ = 264352.

The previous prime is 528691. The next prime is 528707. The reversal of 528706 is 607825.

528706 is nontrivially palindromic in base 5.

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

It can be written as a sum of positive squares in only one way, i.e., 312481 + 216225 = 559^2 + 465^2 .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (528707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132175 + ... + 132178.

2⁵²⁸⁷⁰⁶ is an apocalyptic number.

528706 is a deficient number, since it is larger than the sum of its proper divisors (264356).

528706 is a wasteful number, since it uses less digits than its factorization.

528706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264355.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 528706 is about 727.1217229598. The cubic root of 528706 is about 80.8608085532.

The spelling of 528706 in words is "five hundred twenty-eight thousand, seven hundred six".