528804012 has 24 divisors (see below), whose sum is σ = 1346046912. Its totient is φ = 160243600.

The previous prime is 528804007. The next prime is 528804049. The reversal of 528804012 is 210408825.

It is a super-2 number, since 2×528804012² = 559267366214592288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002914 + ... + 2003177.

It is an arithmetic number, because the mean of its divisors is an integer number (56085288).

Almost surely, 2^528804012 is an apocalyptic number.

It is an amenable number.

528804012 is an abundant number, since it is smaller than the sum of its proper divisors (817242900).

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

528804012 is a wasteful number, since it uses less digits than its factorization.

528804012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006109 (or 4006107 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 528804012 is about 22995.7389966054. The cubic root of 528804012 is about 808.6580492788.

The spelling of 528804012 in words is "five hundred twenty-eight million, eight hundred four thousand, twelve".