490018 has 8 divisors (see below), whose sum is σ = 738000. Its totient is φ = 244020.

The previous prime is 490003. The next prime is 490019. The reversal of 490018 is 810094.

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

It is not an unprimeable number, because it can be changed into a prime (490019) 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, 733 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (92250).

2⁴⁹⁰⁰¹⁸ is an apocalyptic number.

490018 is a deficient number, since it is larger than the sum of its proper divisors (247982).

490018 is a wasteful number, since it uses less digits than its factorization.

490018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 490018 is about 700.0128570248. The cubic root of 490018 is about 78.8383169746.

The spelling of 490018 in words is "four hundred ninety thousand, eighteen".