648349108 has 12 divisors (see below), whose sum is σ = 1237757472. Its totient is φ = 294704120.

The previous prime is 648349081. The next prime is 648349109. The reversal of 648349108 is 801943846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648349109) 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 3 ways as a sum of consecutive naturals, for example, 7367560 + ... + 7367647.

It is an arithmetic number, because the mean of its divisors is an integer number (103146456).

Almost surely, 2^648349108 is an apocalyptic number.

It is an amenable number.

648349108 is a deficient number, since it is larger than the sum of its proper divisors (589408364).

648349108 is a wasteful number, since it uses less digits than its factorization.

648349108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14735222 (or 14735220 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 648349108 is about 25462.7003281270. The cubic root of 648349108 is about 865.5051157864.

The spelling of 648349108 in words is "six hundred forty-eight million, three hundred forty-nine thousand, one hundred eight".