528989604 has 144 divisors (see below), whose sum is σ = 1522934784. Its totient is φ = 141398400.

The previous prime is 528989599. The next prime is 528989633. The reversal of 528989604 is 406989825.

It is a super-2 number, since 2×528989604² = 559660002280153632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 512569 + ... + 513599.

It is an arithmetic number, because the mean of its divisors is an integer number (10575936).

Almost surely, 2^528989604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528989604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761467392).

528989604 is an abundant number, since it is smaller than the sum of its proper divisors (993945180).

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

528989604 is a wasteful number, since it uses less digits than its factorization.

528989604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 528989604 is about 22999.7739988896. The cubic root of 528989604 is about 808.7526419237.

The spelling of 528989604 in words is "five hundred twenty-eight million, nine hundred eighty-nine thousand, six hundred four".