424169 has 2 divisors, whose sum is σ = 424170. Its totient is φ = 424168.

The previous prime is 424163. The next prime is 424187. The reversal of 424169 is 961424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375769 + 48400 = 613^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 424169 - 2¹² = 420073 is a prime.

It is a super-2 number, since 2×424169² = 359838681122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424163) 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, 212084 + 212085.

It is an arithmetic number, because the mean of its divisors is an integer number (212085).

2⁴²⁴¹⁶⁹ is an apocalyptic number.

It is an amenable number.

424169 is a deficient number, since it is larger than the sum of its proper divisors (1).

424169 is an equidigital number, since it uses as much as digits as its factorization.

424169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 424169 is about 651.2825807589. The cubic root of 424169 is about 75.1356950839.

The spelling of 424169 in words is "four hundred twenty-four thousand, one hundred sixty-nine".