6528240 has 60 divisors (see below), whose sum is σ = 21926424. Its totient is φ = 1740672.

The previous prime is 6528233. The next prime is 6528257. The reversal of 6528240 is 428256.

6528240 is a `hidden beast` number, since 652 + 8 + 2 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a zygodrome in base 2.

It is a congruent number.

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, 3814 + ... + 5253.

Almost surely, 2^6528240 is an apocalyptic number.

6528240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6528240 is an abundant number, since it is smaller than the sum of its proper divisors (15398184).

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

6528240 is a wasteful number, since it uses less digits than its factorization.

6528240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086 (or 9077 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 6528240 is about 2555.0420740176. The cubic root of 6528240 is about 186.8954394634.

The spelling of 6528240 in words is "six million, five hundred twenty-eight thousand, two hundred forty".