499018 has 16 divisors (see below), whose sum is σ = 854280. Its totient is φ = 216576.

The previous prime is 498989. The next prime is 499021. The reversal of 499018 is 810994.

It can be written as a sum of positive squares in 4 ways, for example, as 299209 + 199809 = 547^2 + 447^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

499018 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 123 + ... + 1006.

2⁴⁹⁹⁰¹⁸ is an apocalyptic number.

499018 is a deficient number, since it is larger than the sum of its proper divisors (355262).

499018 is a wasteful number, since it uses less digits than its factorization.

499018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 499018 is about 706.4120610522. The cubic root of 499018 is about 79.3180576164.

The spelling of 499018 in words is "four hundred ninety-nine thousand, eighteen".