528616 has 16 divisors (see below), whose sum is σ = 1081440. Its totient is φ = 240240.

The previous prime is 528611. The next prime is 528623. The reversal of 528616 is 616825.

It is an Ulam number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (528611) by changing a digit.

528616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (67590).

2⁵²⁸⁶¹⁶ is an apocalyptic number.

It is an amenable number.

528616 is an abundant number, since it is smaller than the sum of its proper divisors (552824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

528616 is a wasteful number, since it uses less digits than its factorization.

528616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024 (or 6020 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 528616 is about 727.0598324760. The cubic root of 528616 is about 80.8562200637.

Subtracting 528616 from its reverse (616825), we obtain a square (88209 = 297²).

It can be divided in two parts, 52 and 8616, that added together give a palindrome (8668).

The spelling of 528616 in words is "five hundred twenty-eight thousand, six hundred sixteen".