6218240 has 80 divisors (see below), whose sum is σ = 17088192. Its totient is φ = 2125824.

The previous prime is 6218237. The next prime is 6218269. The reversal of 6218240 is 428126.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17747 + ... + 18093.

Almost surely, 2^6218240 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 6218240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8544096).

6218240 is an abundant number, since it is smaller than the sum of its proper divisors (10869952).

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

6218240 is an equidigital number, since it uses as much as digits as its factorization.

6218240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6218240 is about 2493.6399098507. The cubic root of 6218240 is about 183.8890320189.

The spelling of 6218240 in words is "six million, two hundred eighteen thousand, two hundred forty".