6938216 has 16 divisors (see below), whose sum is σ = 13144740. Its totient is φ = 3432960.

The previous prime is 6938213. The next prime is 6938231. The reversal of 6938216 is 6128396.

It can be written as a sum of positive squares in 2 ways, for example, as 6916900 + 21316 = 2630^2 + 146^2 .

It is not an unprimeable number, because it can be changed into a prime (6938213) 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 3 ways as a sum of consecutive naturals, for example, 3695 + ... + 5246.

Almost surely, 2^6938216 is an apocalyptic number.

It is an amenable number.

6938216 is a deficient number, since it is larger than the sum of its proper divisors (6206524).

6938216 is a wasteful number, since it uses less digits than its factorization.

6938216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044 (or 9040 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 6938216 is about 2634.0493541314. The cubic root of 6938216 is about 190.7286517187.

The spelling of 6938216 in words is "six million, nine hundred thirty-eight thousand, two hundred sixteen".