490058665 has 4 divisors (see below), whose sum is σ = 588070404. Its totient is φ = 392046928.

The previous prime is 490058627. The next prime is 490058671. The reversal of 490058665 is 566850094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171400464 + 318658201 = 13092^2 + 17851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490058665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49005862 + ... + 49005871.

It is an arithmetic number, because the mean of its divisors is an integer number (147017601).

Almost surely, 2^490058665 is an apocalyptic number.

It is an amenable number.

490058665 is a deficient number, since it is larger than the sum of its proper divisors (98011739).

490058665 is an equidigital number, since it uses as much as digits as its factorization.

490058665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98011738.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 490058665 is about 22137.2686887972. The cubic root of 490058665 is about 788.4049775940.

The spelling of 490058665 in words is "four hundred ninety million, fifty-eight thousand, six hundred sixty-five".