424648387 has 2 divisors, whose sum is σ = 424648388. Its totient is φ = 424648386.

The previous prime is 424648381. The next prime is 424648451. The reversal of 424648387 is 783846424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424648387 is a prime.

It is not a weakly prime, because it can be changed into another prime (424648381) 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, 212324193 + 212324194.

It is an arithmetic number, because the mean of its divisors is an integer number (212324194).

Almost surely, 2^424648387 is an apocalyptic number.

424648387 is a deficient number, since it is larger than the sum of its proper divisors (1).

424648387 is an equidigital number, since it uses as much as digits as its factorization.

424648387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 46.

The square root of 424648387 is about 20606.9984956568. The cubic root of 424648387 is about 751.6399002819.

The spelling of 424648387 in words is "four hundred twenty-four million, six hundred forty-eight thousand, three hundred eighty-seven".