648620282 has 8 divisors (see below), whose sum is σ = 973446336. Its totient is φ = 324138172.

The previous prime is 648620281. The next prime is 648620317. The reversal of 648620282 is 282026846.

648620282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (648620281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81218 + ... + 88845.

It is an arithmetic number, because the mean of its divisors is an integer number (121680792).

Almost surely, 2^648620282 is an apocalyptic number.

648620282 is a deficient number, since it is larger than the sum of its proper divisors (324826054).

648620282 is a wasteful number, since it uses less digits than its factorization.

648620282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171972.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 648620282 is about 25468.0246976478. The cubic root of 648620282 is about 865.6257656890.

The spelling of 648620282 in words is "six hundred forty-eight million, six hundred twenty thousand, two hundred eighty-two".