528801216 has 56 divisors (see below), whose sum is σ = 1404420864. Its totient is φ = 175599360.

The previous prime is 528801209. The next prime is 528801311. The reversal of 528801216 is 612108825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46951 + ... + 57113.

It is an arithmetic number, because the mean of its divisors is an integer number (25078944).

Almost surely, 2^528801216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528801216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702210432).

528801216 is an abundant number, since it is smaller than the sum of its proper divisors (875619648).

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

528801216 is a wasteful number, since it uses less digits than its factorization.

528801216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449 (or 10439 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 528801216 is about 22995.6782026536. The cubic root of 528801216 is about 808.6566240426.

The spelling of 528801216 in words is "five hundred twenty-eight million, eight hundred one thousand, two hundred sixteen".