6221984 has 24 divisors (see below), whose sum is σ = 12354048. Its totient is φ = 3084480.

The previous prime is 6221981. The next prime is 6221989. The reversal of 6221984 is 4891226.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 6221984.

It is not an unprimeable number, because it can be changed into a prime (6221981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3299 + ... + 4829.

It is an arithmetic number, because the mean of its divisors is an integer number (514752).

Almost surely, 2^6221984 is an apocalyptic number.

It is an amenable number.

6221984 is a deficient number, since it is larger than the sum of its proper divisors (6132064).

6221984 is a wasteful number, since it uses less digits than its factorization.

6221984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1660 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 6221984 is about 2494.3905067170. The cubic root of 6221984 is about 183.9259311203.

The spelling of 6221984 in words is "six million, two hundred twenty-one thousand, nine hundred eighty-four".