528398224 has 20 divisors (see below), whose sum is σ = 1056797440. Its totient is φ = 255676320.

The previous prime is 528398219. The next prime is 528398237. The reversal of 528398224 is 422893825.

528398224 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532164 + ... + 533155.

It is an arithmetic number, because the mean of its divisors is an integer number (52839872).

Almost surely, 2^528398224 is an apocalyptic number.

It is an amenable number.

528398224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

528398224 is a wasteful number, since it uses less digits than its factorization.

528398224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065358 (or 1065352 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 528398224 is about 22986.9141904693. The cubic root of 528398224 is about 808.4511498752.

The spelling of 528398224 in words is "five hundred twenty-eight million, three hundred ninety-eight thousand, two hundred twenty-four".