428775528 has 32 divisors (see below), whose sum is σ = 1072524960. Its totient is φ = 142847040.

The previous prime is 428775521. The next prime is 428775553. The reversal of 428775528 is 825577824.

It is not an unprimeable number, because it can be changed into a prime (428775521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54823 + ... + 62153.

It is an arithmetic number, because the mean of its divisors is an integer number (33516405).

Almost surely, 2^428775528 is an apocalyptic number.

It is an amenable number.

428775528 is an abundant number, since it is smaller than the sum of its proper divisors (643749432).

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

428775528 is a wasteful number, since it uses less digits than its factorization.

428775528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9777 (or 9773 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 48.

The square root of 428775528 is about 20706.8956630394. The cubic root of 428775528 is about 754.0671067676.

The spelling of 428775528 in words is "four hundred twenty-eight million, seven hundred seventy-five thousand, five hundred twenty-eight".