6540876 has 36 divisors (see below), whose sum is σ = 17070144. Its totient is φ = 2109600.

The previous prime is 6540871. The next prime is 6540893. The reversal of 6540876 is 6780456.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6540876.

It is not an unprimeable number, because it can be changed into a prime (6540871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1815 + ... + 4046.

Almost surely, 2^6540876 is an apocalyptic number.

It is an amenable number.

6540876 is an abundant number, since it is smaller than the sum of its proper divisors (10529268).

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

6540876 is a wasteful number, since it uses less digits than its factorization.

6540876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902 (or 5897 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6540876 is about 2557.5136363273. The cubic root of 6540876 is about 187.0159460984.

The spelling of 6540876 in words is "six million, five hundred forty thousand, eight hundred seventy-six".