528280284 has 96 divisors (see below), whose sum is σ = 1504419840. Its totient is φ = 140995008.

The previous prime is 528280279. The next prime is 528280289. The reversal of 528280284 is 482082825.

It is an interprime number because it is at equal distance from previous prime (528280279) and next prime (528280289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528280289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79897 + ... + 86255.

It is an arithmetic number, because the mean of its divisors is an integer number (15671040).

Almost surely, 2^528280284 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 528280284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752209920).

528280284 is an abundant number, since it is smaller than the sum of its proper divisors (976139556).

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

528280284 is a wasteful number, since it uses less digits than its factorization.

528280284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439 (or 6437 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 528280284 is about 22984.3486746960. The cubic root of 528280284 is about 808.3909958606.

The spelling of 528280284 in words is "five hundred twenty-eight million, two hundred eighty thousand, two hundred eighty-four".