490243 has 8 divisors (see below), whose sum is σ = 540848. Its totient is φ = 441504.

The previous prime is 490241. The next prime is 490247. The reversal of 490243 is 342094.

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

It is a cyclic number.

It is not a de Polignac number, because 490243 - 2¹ = 490241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490241) 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 7 ways as a sum of consecutive naturals, for example, 121 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (67606).

2⁴⁹⁰²⁴³ is an apocalyptic number.

490243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

490243 is a deficient number, since it is larger than the sum of its proper divisors (50605).

490243 is a wasteful number, since it uses less digits than its factorization.

490243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 490243 is about 700.1735499146. The cubic root of 490243 is about 78.8503817742.

The spelling of 490243 in words is "four hundred ninety thousand, two hundred forty-three".