528113988 has 36 divisors (see below), whose sum is σ = 1336503168. Its totient is φ = 175833840.

The previous prime is 528113947. The next prime is 528114011. The reversal of 528113988 is 889311825.

It is a happy number.

528113988 is a `hidden beast` number, since 528 + 11 + 39 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24745 + ... + 40847.

It is an arithmetic number, because the mean of its divisors is an integer number (37125088).

Almost surely, 2^528113988 is an apocalyptic number.

It is an amenable number.

528113988 is an abundant number, since it is smaller than the sum of its proper divisors (808389180).

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

528113988 is a wasteful number, since it uses less digits than its factorization.

528113988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17024 (or 17019 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 528113988 is about 22980.7307977793. The cubic root of 528113988 is about 808.3061631802.

The spelling of 528113988 in words is "five hundred twenty-eight million, one hundred thirteen thousand, nine hundred eighty-eight".