424424239 has 2 divisors, whose sum is σ = 424424240. Its totient is φ = 424424238.

The previous prime is 424424213. The next prime is 424424243. The reversal of 424424239 is 932424424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424424239 - 2⁵ = 424424207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424424269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212212119 + 212212120.

It is an arithmetic number, because the mean of its divisors is an integer number (212212120).

Almost surely, 2^424424239 is an apocalyptic number.

424424239 is a deficient number, since it is larger than the sum of its proper divisors (1).

424424239 is an equidigital number, since it uses as much as digits as its factorization.

424424239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 34.

The square root of 424424239 is about 20601.5591400263. The cubic root of 424424239 is about 751.5076275298.

The spelling of 424424239 in words is "four hundred twenty-four million, four hundred twenty-four thousand, two hundred thirty-nine".