6218993 has 16 divisors (see below), whose sum is σ = 7243776. Its totient is φ = 5282640.

The previous prime is 6218987. The next prime is 6219001. The reversal of 6218993 is 3998126.

It is not a de Polignac number, because 6218993 - 2⁶ = 6218929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6212993) 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, 11630 + ... + 12152.

It is an arithmetic number, because the mean of its divisors is an integer number (452736).

Almost surely, 2^6218993 is an apocalyptic number.

It is an amenable number.

6218993 is a deficient number, since it is larger than the sum of its proper divisors (1024783).

6218993 is a wasteful number, since it uses less digits than its factorization.

6218993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its digits is 23328, while the sum is 38.

The square root of 6218993 is about 2493.7908893891. The cubic root of 6218993 is about 183.8964544221.

The spelling of 6218993 in words is "six million, two hundred eighteen thousand, nine hundred ninety-three".