424648417 has 4 divisors (see below), whose sum is σ = 424730880. Its totient is φ = 424565956.

The previous prime is 424648387. The next prime is 424648451. The reversal of 424648417 is 714846424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424648417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424648417.

It is not an unprimeable number, because it can be changed into a prime (424648717) 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 in 3 ways as a sum of consecutive naturals, for example, 32953 + ... + 43990.

It is an arithmetic number, because the mean of its divisors is an integer number (106182720).

Almost surely, 2^424648417 is an apocalyptic number.

It is an amenable number.

424648417 is a deficient number, since it is larger than the sum of its proper divisors (82463).

424648417 is an equidigital number, since it uses as much as digits as its factorization.

424648417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82462.

The product of its digits is 172032, while the sum is 40.

The square root of 424648417 is about 20606.9992235648. Note that the first 3 decimals coincide. The cubic root of 424648417 is about 751.6399179822.

The spelling of 424648417 in words is "four hundred twenty-four million, six hundred forty-eight thousand, four hundred seventeen".