498618 has 12 divisors (see below), whose sum is σ = 1080378. Its totient is φ = 166200.

The previous prime is 498613. The next prime is 498643. The reversal of 498618 is 816894.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 59049 = 663^2 + 243^2 .

It is not an unprimeable number, because it can be changed into a prime (498611) 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 5 ways as a sum of consecutive naturals, for example, 13833 + ... + 13868.

2⁴⁹⁸⁶¹⁸ is an apocalyptic number.

498618 is an abundant number, since it is smaller than the sum of its proper divisors (581760).

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

498618 is a wasteful number, since it uses less digits than its factorization.

498618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27709 (or 27706 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 498618 is about 706.1288834200. The cubic root of 498618 is about 79.2968588460.

The spelling of 498618 in words is "four hundred ninety-eight thousand, six hundred eighteen".