490303193 has 4 divisors (see below), whose sum is σ = 490349328. Its totient is φ = 490257060.

The previous prime is 490303181. The next prime is 490303199. The reversal of 490303193 is 391303094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 490303193 - 2⁶ = 490303129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490303199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838 + ... + 31368.

It is an arithmetic number, because the mean of its divisors is an integer number (122587332).

Almost surely, 2^490303193 is an apocalyptic number.

It is an amenable number.

490303193 is a deficient number, since it is larger than the sum of its proper divisors (46135).

490303193 is a wasteful number, since it uses less digits than its factorization.

490303193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46134.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 490303193 is about 22142.7909939104. The cubic root of 490303193 is about 788.5360877716.

Subtracting from 490303193 its reverse (391303094), we obtain a palindrome (99000099).

The spelling of 490303193 in words is "four hundred ninety million, three hundred three thousand, one hundred ninety-three".