490169 has 2 divisors, whose sum is σ = 490170. Its totient is φ = 490168.

The previous prime is 490159. The next prime is 490183. The reversal of 490169 is 961094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 169 = 700^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 490169 - 2⁸ = 489913 is a prime.

It is a super-2 number, since 2×490169² = 480531297122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (490159) 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 as a sum of consecutive naturals, namely, 245084 + 245085.

It is an arithmetic number, because the mean of its divisors is an integer number (245085).

2⁴⁹⁰¹⁶⁹ is an apocalyptic number.

It is an amenable number.

490169 is a deficient number, since it is larger than the sum of its proper divisors (1).

490169 is an equidigital number, since it uses as much as digits as its factorization.

490169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 490169 is about 700.1207038790. The cubic root of 490169 is about 78.8464142031.

It can be divided in two parts, 49016 and 9, that multiplied together give a palindrome (441144).

The spelling of 490169 in words is "four hundred ninety thousand, one hundred sixty-nine".