6528880 has 20 divisors (see below), whose sum is σ = 15179832. Its totient is φ = 2611520.

The previous prime is 6528871. The next prime is 6528883. The reversal of 6528880 is 888256.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6528883) 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 3 ways as a sum of consecutive naturals, for example, 40726 + ... + 40885.

Almost surely, 2^6528880 is an apocalyptic number.

It is an amenable number.

6528880 is an abundant number, since it is smaller than the sum of its proper divisors (8650952).

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

6528880 is a wasteful number, since it uses less digits than its factorization.

6528880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81624 (or 81618 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 6528880 is about 2555.1673135041. The cubic root of 6528880 is about 186.9015467334.

The spelling of 6528880 in words is "six million, five hundred twenty-eight thousand, eight hundred eighty".