424429 has 2 divisors, whose sum is σ = 424430. Its totient is φ = 424428.

The previous prime is 424423. The next prime is 424433. The reversal of 424429 is 924424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 96100 = 573^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 424429 - 2⁵ = 424397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424423) 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, 212214 + 212215.

It is an arithmetic number, because the mean of its divisors is an integer number (212215).

2⁴²⁴⁴²⁹ is an apocalyptic number.

It is an amenable number.

424429 is a deficient number, since it is larger than the sum of its proper divisors (1).

424429 is an equidigital number, since it uses as much as digits as its factorization.

424429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 424429 is about 651.4821563174. The cubic root of 424429 is about 75.1510437544.

The spelling of 424429 in words is "four hundred twenty-four thousand, four hundred twenty-nine".