490117 has 2 divisors, whose sum is σ = 490118. Its totient is φ = 490116.

The previous prime is 490111. The next prime is 490121. The reversal of 490117 is 711094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408321 + 81796 = 639^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 490117 - 2⁷ = 489989 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245058 + 245059.

It is an arithmetic number, because the mean of its divisors is an integer number (245059).

2⁴⁹⁰¹¹⁷ is an apocalyptic number.

It is an amenable number.

490117 is a deficient number, since it is larger than the sum of its proper divisors (1).

490117 is an equidigital number, since it uses as much as digits as its factorization.

490117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 490117 is about 700.0835664405. The cubic root of 490117 is about 78.8436259413.

The spelling of 490117 in words is "four hundred ninety thousand, one hundred seventeen".