6851968 has 32 divisors (see below), whose sum is σ = 13770000. Its totient is φ = 3396096.

The previous prime is 6851963. The next prime is 6851987. The reversal of 6851968 is 8691586.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851963) 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, 25338 + ... + 25606.

Almost surely, 2^6851968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6851968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6885000).

6851968 is an abundant number, since it is smaller than the sum of its proper divisors (6918032).

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

6851968 is a wasteful number, since it uses less digits than its factorization.

6851968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 470 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 6851968 is about 2617.6264057348. The cubic root of 6851968 is about 189.9350470499.

The spelling of 6851968 in words is "six million, eight hundred fifty-one thousand, nine hundred sixty-eight".