5221986 has 64 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 1330560.

The previous prime is 5221973. The next prime is 5221987. The reversal of 5221986 is 6891225.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221987) 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 31 ways as a sum of consecutive naturals, for example, 41055 + ... + 41181.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

Almost surely, 2^5221986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5221986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6635520).

5221986 is an abundant number, since it is smaller than the sum of its proper divisors (8049054).

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

5221986 is a wasteful number, since it uses less digits than its factorization.

5221986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

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

The square root of 5221986 is about 2285.1665147205. The cubic root of 5221986 is about 173.4916461248.

The spelling of 5221986 in words is "five million, two hundred twenty-one thousand, nine hundred eighty-six".