5998218 has 32 divisors (see below), whose sum is σ = 12640320. Its totient is φ = 1895040.

The previous prime is 5998217. The next prime is 5998253. The reversal of 5998218 is 8128995.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5998218.

It is not an unprimeable number, because it can be changed into a prime (5998211) 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 15 ways as a sum of consecutive naturals, for example, 8773 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (395010).

Almost surely, 2^5998218 is an apocalyptic number.

5998218 is an abundant number, since it is smaller than the sum of its proper divisors (6642102).

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

5998218 is a wasteful number, since it uses less digits than its factorization.

5998218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 51840, while the sum is 42.

The square root of 5998218 is about 2449.1259665440. The cubic root of 5998218 is about 181.6940680081.

It can be divided in two parts, 5998 and 218, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 5998218 in words is "five million, nine hundred ninety-eight thousand, two hundred eighteen".