6540696 has 64 divisors (see below), whose sum is σ = 18403200. Its totient is φ = 2152224.

The previous prime is 6540691. The next prime is 6540719. The reversal of 6540696 is 6960456.

It is a happy number.

6540696 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6540696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540691) 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, 22971 + ... + 23253.

It is an arithmetic number, because the mean of its divisors is an integer number (287550).

Almost surely, 2^6540696 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 6540696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9201600).

6540696 is an abundant number, since it is smaller than the sum of its proper divisors (11862504).

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

6540696 is a wasteful number, since it uses less digits than its factorization.

6540696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 6540696 is about 2557.4784456570. The cubic root of 6540696 is about 187.0142305698.

The spelling of 6540696 in words is "six million, five hundred forty thousand, six hundred ninety-six".