6943216 has 40 divisors (see below), whose sum is σ = 15713280. Its totient is φ = 2910144.

The previous prime is 6943213. The next prime is 6943219. The reversal of 6943216 is 6123496.

It is an interprime number because it is at equal distance from previous prime (6943213) and next prime (6943219).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6943213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605 + ... + 5923.

It is an arithmetic number, because the mean of its divisors is an integer number (392832).

Almost surely, 2^6943216 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 6943216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7856640).

6943216 is an abundant number, since it is smaller than the sum of its proper divisors (8770064).

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

6943216 is a wasteful number, since it uses less digits than its factorization.

6943216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1375 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 6943216 is about 2634.9982922196. The cubic root of 6943216 is about 190.7744566860.

The spelling of 6943216 in words is "six million, nine hundred forty-three thousand, two hundred sixteen".