490375217 has 4 divisors (see below), whose sum is σ = 519220836. Its totient is φ = 461529600.

The previous prime is 490375189. The next prime is 490375219. The reversal of 490375217 is 712573094.

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 302794801 + 187580416 = 17401^2 + 13696^2 .

It is not a de Polignac number, because 490375217 - 2¹⁴ = 490358833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490375219) 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 3 ways as a sum of consecutive naturals, for example, 14422784 + ... + 14422817.

It is an arithmetic number, because the mean of its divisors is an integer number (129805209).

Almost surely, 2^490375217 is an apocalyptic number.

It is an amenable number.

490375217 is a deficient number, since it is larger than the sum of its proper divisors (28845619).

490375217 is a wasteful number, since it uses less digits than its factorization.

490375217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28845618.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 490375217 is about 22144.4172874339. The cubic root of 490375217 is about 788.5746970398.

The spelling of 490375217 in words is "four hundred ninety million, three hundred seventy-five thousand, two hundred seventeen".