488447217 has 6 divisors (see below), whose sum is σ = 705534882. Its totient is φ = 325631472.

The previous prime is 488447149. The next prime is 488447221. The reversal of 488447217 is 712744884.

It can be written as a sum of positive squares in only one way, i.e., 318301281 + 170145936 = 17841^2 + 13044^2 .

It is not a de Polignac number, because 488447217 - 2⁸ = 488446961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (488447237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27135948 + ... + 27135965.

It is an arithmetic number, because the mean of its divisors is an integer number (117589147).

Almost surely, 2^488447217 is an apocalyptic number.

It is an amenable number.

488447217 is a deficient number, since it is larger than the sum of its proper divisors (217087665).

488447217 is a wasteful number, since it uses less digits than its factorization.

488447217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54271919 (or 54271916 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 488447217 is about 22100.8419975348. The cubic root of 488447217 is about 787.5398643463.

The spelling of 488447217 in words is "four hundred eighty-eight million, four hundred forty-seven thousand, two hundred seventeen".