6851216 has 40 divisors (see below), whose sum is σ = 13909824. Its totient is φ = 3265920.

The previous prime is 6851213. The next prime is 6851231. The reversal of 6851216 is 6121586.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6851213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41951 + ... + 42113.

Almost surely, 2^6851216 is an apocalyptic number.

It is an amenable number.

6851216 is an abundant number, since it is smaller than the sum of its proper divisors (7058608).

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

6851216 is a wasteful number, since it uses less digits than its factorization.

6851216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 273 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 6851216 is about 2617.4827602107. The cubic root of 6851216 is about 189.9280983708.

The spelling of 6851216 in words is "six million, eight hundred fifty-one thousand, two hundred sixteen".