648704846 has 16 divisors (see below), whose sum is σ = 984319776. Its totient is φ = 320619936.

The previous prime is 648704839. The next prime is 648704869. The reversal of 648704846 is 648407846.

It is a self number, because there is not a number n which added to its sum of digits gives 648704846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56615 + ... + 67101.

It is an arithmetic number, because the mean of its divisors is an integer number (61519986).

Almost surely, 2^648704846 is an apocalyptic number.

648704846 is a deficient number, since it is larger than the sum of its proper divisors (335614930).

648704846 is a wasteful number, since it uses less digits than its factorization.

648704846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10843.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 648704846 is about 25469.6848429658. The cubic root of 648704846 is about 865.6633827655.

The spelling of 648704846 in words is "six hundred forty-eight million, seven hundred four thousand, eight hundred forty-six".