528439428 has 54 divisors (see below), whose sum is σ = 1468263342. Its totient is φ = 160131840.

The previous prime is 528439411. The next prime is 528439433. The reversal of 528439428 is 824934825.

It can be written as a sum of positive squares in only one way, i.e., 494706564 + 33732864 = 22242^2 + 5808^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56301 + ... + 65012.

Almost surely, 2^528439428 is an apocalyptic number.

It is an amenable number.

528439428 is an abundant number, since it is smaller than the sum of its proper divisors (939823914).

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

528439428 is a wasteful number, since it uses less digits than its factorization.

528439428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121345 (or 121329 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 528439428 is about 22987.8104220476. The cubic root of 528439428 is about 808.4721634176.

The spelling of 528439428 in words is "five hundred twenty-eight million, four hundred thirty-nine thousand, four hundred twenty-eight".