5621982 has 16 divisors (see below), whose sum is σ = 11733120. Its totient is φ = 1792472.

The previous prime is 5621953. The next prime is 5621983. The reversal of 5621982 is 2891265.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621983) 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, 20232 + ... + 20507.

It is an arithmetic number, because the mean of its divisors is an integer number (733320).

Almost surely, 2^5621982 is an apocalyptic number.

5621982 is an abundant number, since it is smaller than the sum of its proper divisors (6111138).

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

5621982 is a wasteful number, since it uses less digits than its factorization.

5621982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40767.

The product of its digits is 8640, while the sum is 33.

The square root of 5621982 is about 2371.0719094958. The cubic root of 5621982 is about 177.8128530040.

The spelling of 5621982 in words is "five million, six hundred twenty-one thousand, nine hundred eighty-two".