6560940 has 48 divisors (see below), whose sum is σ = 18805248. Its totient is φ = 1708224.

The previous prime is 6560927. The next prime is 6560941. The reversal of 6560940 is 490656.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6560898 and 6560907.

It is not an unprimeable number, because it can be changed into a prime (6560941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (391776).

Almost surely, 2^6560940 is an apocalyptic number.

6560940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6560940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9402624).

6560940 is an abundant number, since it is smaller than the sum of its proper divisors (12244308).

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

6560940 is a wasteful number, since it uses less digits than its factorization.

6560940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6560940 is about 2561.4331925701. The cubic root of 6560940 is about 187.2069734052.

The spelling of 6560940 in words is "six million, five hundred sixty thousand, nine hundred forty".