490304313 has 8 divisors (see below), whose sum is σ = 726376800. Its totient is φ = 326869524.

The previous prime is 490304299. The next prime is 490304351. The reversal of 490304313 is 313403094.

490304313 is a `hidden beast` number, since 49 + 0 + 304 + 313 = 666.

It is not a de Polignac number, because 490304313 - 2¹⁸ = 490042169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 18159419 = 490304313 / (4 + 9 + 0 + 3 + 0 + 4 + 3 + 1 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490304383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9079683 + ... + 9079736.

It is an arithmetic number, because the mean of its divisors is an integer number (90797100).

Almost surely, 2^490304313 is an apocalyptic number.

It is an amenable number.

490304313 is a deficient number, since it is larger than the sum of its proper divisors (236072487).

490304313 is a wasteful number, since it uses less digits than its factorization.

490304313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18159428 (or 18159422 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 490304313 is about 22142.8162842941. The cubic root of 490304313 is about 788.5366881890.

The spelling of 490304313 in words is "four hundred ninety million, three hundred four thousand, three hundred thirteen".