6528940 has 48 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 2329280.

The previous prime is 6528937. The next prime is 6528959. The reversal of 6528940 is 498256.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6528896 and 6528905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12729 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^6528940 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 6528940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).

6528940 is an abundant number, since it is smaller than the sum of its proper divisors (8712020).

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

6528940 is a wasteful number, since it uses less digits than its factorization.

6528940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 6528940 is about 2555.1790543913. The cubic root of 6528940 is about 186.9021192694.

The spelling of 6528940 in words is "six million, five hundred twenty-eight thousand, nine hundred forty".