6216040 has 32 divisors (see below), whose sum is σ = 14724000. Its totient is φ = 2355264.

The previous prime is 6216031. The next prime is 6216047. The reversal of 6216040 is 406126.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 6215999 and 6216017.

It is not an unprimeable number, because it can be changed into a prime (6216047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (460125).

Almost surely, 2^6216040 is an apocalyptic number.

It is an amenable number.

6216040 is an abundant number, since it is smaller than the sum of its proper divisors (8507960).

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

6216040 is a wasteful number, since it uses less digits than its factorization.

6216040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 6216040 is about 2493.1987485959. The cubic root of 6216040 is about 183.8673429456.

The spelling of 6216040 in words is "six million, two hundred sixteen thousand, forty".