528280004 has 12 divisors (see below), whose sum is σ = 1056560064. Its totient is φ = 226405704.

The previous prime is 528280001. The next prime is 528280033. The reversal of 528280004 is 400082825.

528280004 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (528280001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9433544 + ... + 9433599.

It is an arithmetic number, because the mean of its divisors is an integer number (88046672).

Almost surely, 2^528280004 is an apocalyptic number.

It is an amenable number.

528280004 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.

528280004 is a wasteful number, since it uses less digits than its factorization.

528280004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18867154 (or 18867152 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 528280004 is about 22984.3425835937. The cubic root of 528280004 is about 808.3908530390.

The spelling of 528280004 in words is "five hundred twenty-eight million, two hundred eighty thousand, four".