490347617 has 2 divisors, whose sum is σ = 490347618. Its totient is φ = 490347616.

The previous prime is 490347601. The next prime is 490347629. The reversal of 490347617 is 716743094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270240721 + 220106896 = 16439^2 + 14836^2 .

It is a cyclic number.

It is not a de Polignac number, because 490347617 - 2⁴ = 490347601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (490347667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245173808 + 245173809.

It is an arithmetic number, because the mean of its divisors is an integer number (245173809).

Almost surely, 2^490347617 is an apocalyptic number.

It is an amenable number.

490347617 is a deficient number, since it is larger than the sum of its proper divisors (1).

490347617 is an equidigital number, since it uses as much as digits as its factorization.

490347617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 490347617 is about 22143.7940967667. The cubic root of 490347617 is about 788.5599021989.

The spelling of 490347617 in words is "four hundred ninety million, three hundred forty-seven thousand, six hundred seventeen".