6912216 has 40 divisors (see below), whose sum is σ = 19362420. Its totient is φ = 2303856.

The previous prime is 6912211. The next prime is 6912223. The reversal of 6912216 is 6122196.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a self number, because there is not a number n which added to its sum of digits gives 6912216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6912211) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4686 + ... + 5981.

Almost surely, 2^6912216 is an apocalyptic number.

It is an amenable number.

6912216 is an abundant number, since it is smaller than the sum of its proper divisors (12450204).

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

6912216 is a wasteful number, since it uses less digits than its factorization.

6912216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685 (or 10672 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 6912216 is about 2629.1093548957. The cubic root of 6912216 is about 190.4901104668.

The spelling of 6912216 in words is "six million, nine hundred twelve thousand, two hundred sixteen".