490306 has 8 divisors (see below), whose sum is σ = 746640. Its totient is φ = 241428.

The previous prime is 490283. The next prime is 490309. The reversal of 490306 is 603094.

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 (490309) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1696 + ... + 1963.

It is an arithmetic number, because the mean of its divisors is an integer number (93330).

2⁴⁹⁰³⁰⁶ is an apocalyptic number.

490306 is a deficient number, since it is larger than the sum of its proper divisors (256334).

490306 is a wasteful number, since it uses less digits than its factorization.

490306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 490306 is about 700.2185373153. The cubic root of 490306 is about 78.8537592566.

The spelling of 490306 in words is "four hundred ninety thousand, three hundred six".