648282684 has 24 divisors (see below), whose sum is σ = 1728754048. Its totient is φ = 185223600.

The previous prime is 648282659. The next prime is 648282707. The reversal of 648282684 is 486282846.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858742 + ... + 3858909.

Almost surely, 2^648282684 is an apocalyptic number.

It is an amenable number.

648282684 is an abundant number, since it is smaller than the sum of its proper divisors (1080471364).

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

648282684 is a wasteful number, since it uses less digits than its factorization.

648282684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717665 (or 7717663 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 648282684 is about 25461.3959554460. The cubic root of 648282684 is about 865.4755574951.

The spelling of 648282684 in words is "six hundred forty-eight million, two hundred eighty-two thousand, six hundred eighty-four".