6888216 has 32 divisors (see below), whose sum is σ = 17688240. Its totient is φ = 2233728.

The previous prime is 6888209. The next prime is 6888221. The reversal of 6888216 is 6128886.

It is a nude number because it is divisible by every one of its digits.

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, 2991 + ... + 4766.

Almost surely, 2^6888216 is an apocalyptic number.

It is an amenable number.

6888216 is an abundant number, since it is smaller than the sum of its proper divisors (10800024).

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

6888216 is a wasteful number, since it uses less digits than its factorization.

6888216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803 (or 7799 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 6888216 is about 2624.5411027454. The cubic root of 6888216 is about 190.2693870352.

The spelling of 6888216 in words is "six million, eight hundred eighty-eight thousand, two hundred sixteen".