490486 has 8 divisors (see below), whose sum is σ = 743184. Its totient is φ = 242760.

The previous prime is 490481. The next prime is 490493. The reversal of 490486 is 684094.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490481) by changing a digit.

490486 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (92898).

2⁴⁹⁰⁴⁸⁶ is an apocalyptic number.

490486 is a deficient number, since it is larger than the sum of its proper divisors (252698).

490486 is a wasteful number, since it uses less digits than its factorization.

490486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 490486 is about 700.3470568225. The cubic root of 490486 is about 78.8634076123.

The spelling of 490486 in words is "four hundred ninety thousand, four hundred eighty-six".