424239047 has 2 divisors, whose sum is σ = 424239048. Its totient is φ = 424239046.

The previous prime is 424239037. The next prime is 424239089. The reversal of 424239047 is 740932424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424239047 - 2⁴ = 424239031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424238998 and 424239016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424239007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212119523 + 212119524.

It is an arithmetic number, because the mean of its divisors is an integer number (212119524).

Almost surely, 2^424239047 is an apocalyptic number.

424239047 is a deficient number, since it is larger than the sum of its proper divisors (1).

424239047 is an equidigital number, since it uses as much as digits as its factorization.

424239047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 424239047 is about 20597.0640383527. The cubic root of 424239047 is about 751.3983080998.

The spelling of 424239047 in words is "four hundred twenty-four million, two hundred thirty-nine thousand, forty-seven".