424039907 has 2 divisors, whose sum is σ = 424039908. Its totient is φ = 424039906.

The previous prime is 424039871. The next prime is 424039921. The reversal of 424039907 is 709930424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424039907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424039927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212019953 + 212019954.

It is an arithmetic number, because the mean of its divisors is an integer number (212019954).

Almost surely, 2^424039907 is an apocalyptic number.

424039907 is a deficient number, since it is larger than the sum of its proper divisors (1).

424039907 is an equidigital number, since it uses as much as digits as its factorization.

424039907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 424039907 is about 20592.2292867965. The cubic root of 424039907 is about 751.2807196167.

The spelling of 424039907 in words is "four hundred twenty-four million, thirty-nine thousand, nine hundred seven".