528861 has 8 divisors (see below), whose sum is σ = 709920. Its totient is φ = 350192.

The previous prime is 528833. The next prime is 528863. The reversal of 528861 is 168825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528861 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (88740).

2⁵²⁸⁸⁶¹ is an apocalyptic number.

It is an amenable number.

528861 is a deficient number, since it is larger than the sum of its proper divisors (181059).

528861 is a wasteful number, since it uses less digits than its factorization.

528861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its digits is 3840, while the sum is 30.

The square root of 528861 is about 727.2282997794. The cubic root of 528861 is about 80.8687097312.

The spelling of 528861 in words is "five hundred twenty-eight thousand, eight hundred sixty-one".