648708282 has 24 divisors (see below), whose sum is σ = 1428578580. Its totient is φ = 212690880.

The previous prime is 648708259. The next prime is 648708283. The reversal of 648708282 is 282807846.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 386948241 + 261760041 = 19671^2 + 16179^2 .

It is not an unprimeable number, because it can be changed into a prime (648708283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294307 + ... + 296502.

Almost surely, 2^648708282 is an apocalyptic number.

648708282 is an abundant number, since it is smaller than the sum of its proper divisors (779870298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648708282 is a wasteful number, since it uses less digits than its factorization.

648708282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590878 (or 590875 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 648708282 is about 25469.7522956153. The cubic root of 648708282 is about 865.6649111514.

The spelling of 648708282 in words is "six hundred forty-eight million, seven hundred eight thousand, two hundred eighty-two".