6851648 has 14 divisors (see below), whose sum is σ = 13596366. Its totient is φ = 3425792.

The previous prime is 6851639. The next prime is 6851653. The reversal of 6851648 is 8461586.

It can be written as a sum of positive squares in only one way, i.e., 5914624 + 937024 = 2432^2 + 968^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53465 + ... + 53592.

It is an arithmetic number, because the mean of its divisors is an integer number (971169).

Almost surely, 2^6851648 is an apocalyptic number.

It is an amenable number.

6851648 is a deficient number, since it is larger than the sum of its proper divisors (6744718).

6851648 is a wasteful number, since it uses less digits than its factorization.

6851648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107069 (or 107059 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 6851648 is about 2617.5652809433. The cubic root of 6851648 is about 189.9320902274.

The spelling of 6851648 in words is "six million, eight hundred fifty-one thousand, six hundred forty-eight".