528961328 has 20 divisors (see below), whose sum is σ = 1171271760. Its totient is φ = 226697664.

The previous prime is 528961319. The next prime is 528961343. The reversal of 528961328 is 823169825.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2361323 + ... + 2361546.

It is an arithmetic number, because the mean of its divisors is an integer number (58563588).

Almost surely, 2^528961328 is an apocalyptic number.

It is an amenable number.

528961328 is an abundant number, since it is smaller than the sum of its proper divisors (642310432).

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

528961328 is a wasteful number, since it uses less digits than its factorization.

528961328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722884 (or 4722878 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 528961328 is about 22999.1592889827. The cubic root of 528961328 is about 808.7382316234.

The spelling of 528961328 in words is "five hundred twenty-eight million, nine hundred sixty-one thousand, three hundred twenty-eight".