490340533 has 8 divisors (see below), whose sum is σ = 495470360. Its totient is φ = 485222400.

The previous prime is 490340531. The next prime is 490340551. The reversal of 490340533 is 335043094.

It can be written as a sum of positive squares in 4 ways, for example, as 31438449 + 458902084 = 5607^2 + 21422^2 .

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 490340533 - 2¹ = 490340531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490340495 and 490340504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490340531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99733 + ... + 104533.

It is an arithmetic number, because the mean of its divisors is an integer number (61933795).

Almost surely, 2^490340533 is an apocalyptic number.

It is an amenable number.

490340533 is a deficient number, since it is larger than the sum of its proper divisors (5129827).

490340533 is a wasteful number, since it uses less digits than its factorization.

490340533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 490340533 is about 22143.6341416670. The cubic root of 490340533 is about 788.5561047669.

The spelling of 490340533 in words is "four hundred ninety million, three hundred forty thousand, five hundred thirty-three".