6216540 has 48 divisors (see below), whose sum is σ = 18990720. Its totient is φ = 1506880.

The previous prime is 6216503. The next prime is 6216541. The reversal of 6216540 is 456126.

6216540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6216540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216541) 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, 4050 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (395640).

Almost surely, 2^6216540 is an apocalyptic number.

6216540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6216540 is an abundant number, since it is smaller than the sum of its proper divisors (12774180).

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

6216540 is a wasteful number, since it uses less digits than its factorization.

6216540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442 (or 9440 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6216540 is about 2493.2990193717. The cubic root of 6216540 is about 183.8722727297.

The spelling of 6216540 in words is "six million, two hundred sixteen thousand, five hundred forty".