490318 has 8 divisors (see below), whose sum is σ = 747720. Its totient is φ = 241080.

The previous prime is 490313. The next prime is 490339. The reversal of 490318 is 813094.

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

It is a super-2 number, since 2×490318² = 480823482248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490292 and 490301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490313) by changing a digit.

490318 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888 + ... + 2131.

It is an arithmetic number, because the mean of its divisors is an integer number (93465).

2⁴⁹⁰³¹⁸ is an apocalyptic number.

490318 is a deficient number, since it is larger than the sum of its proper divisors (257402).

490318 is a wasteful number, since it uses less digits than its factorization.

490318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 490318 is about 700.2271060163. The cubic root of 490318 is about 78.8544025538.

It can be divided in two parts, 490 and 318, that added together give a palindrome (808).

The spelling of 490318 in words is "four hundred ninety thousand, three hundred eighteen".