499218 has 8 divisors (see below), whose sum is σ = 998448. Its totient is φ = 166404.

The previous prime is 499211. The next prime is 499229. The reversal of 499218 is 812994.

499218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

499218 is an admirable number.

It is a super-2 number, since 2×499218² = 498437223048, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499218.

It is not an unprimeable number, because it can be changed into a prime (499211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41596 + ... + 41607.

It is an arithmetic number, because the mean of its divisors is an integer number (124806).

2⁴⁹⁹²¹⁸ is an apocalyptic number.

499218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

499218 is a wasteful number, since it uses less digits than its factorization.

499218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83208.

The product of its digits is 5184, while the sum is 33.

The square root of 499218 is about 706.5536073080. The cubic root of 499218 is about 79.3286527537.

It can be divided in two parts, 499 and 218, that added together give a palindrome (717).

The spelling of 499218 in words is "four hundred ninety-nine thousand, two hundred eighteen".