648727846 has 8 divisors (see below), whose sum is σ = 1047945024. Its totient is φ = 299412840.

The previous prime is 648727843. The next prime is 648727847.

648727846 is nontrivially palindromic in base 10.

648727846 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 a junction number, because it is equal to n+sod(n) for n = 648727793 and 648727802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648727841) 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, 12475510 + ... + 12475561.

It is an arithmetic number, because the mean of its divisors is an integer number (130993128).

Almost surely, 2^648727846 is an apocalyptic number.

648727846 is a deficient number, since it is larger than the sum of its proper divisors (399217178).

648727846 is a wasteful number, since it uses less digits than its factorization.

648727846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24951086.

The product of its digits is 3612672, while the sum is 52.

The square root of 648727846 is about 25470.1363561328. The cubic root of 648727846 is about 865.6736134184.

The spelling of 648727846 in words is "six hundred forty-eight million, seven hundred twenty-seven thousand, eight hundred forty-six".