6938 has 4 divisors (see below), whose sum is σ = 10410. Its totient is φ = 3468.

The previous prime is 6917. The next prime is 6947. The reversal of 6938 is 8396.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6889 + 49 = 83^2 + 7^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1733 + ... + 1736.

2⁶⁹³⁸ is an apocalyptic number.

6938 is a deficient number, since it is larger than the sum of its proper divisors (3472).

6938 is a wasteful number, since it uses less digits than its factorization.

6938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its digits is 1296, while the sum is 26.

The square root of 6938 is about 83.2946576918. The cubic root of 6938 is about 19.0726672448.

The spelling of 6938 in words is "six thousand, nine hundred thirty-eight".