6938137 has 4 divisors (see below), whose sum is σ = 6992896. Its totient is φ = 6883380.

The previous prime is 6938131. The next prime is 6938147. The reversal of 6938137 is 7318396.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6938137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6938096 and 6938105.

It is not an unprimeable number, because it can be changed into a prime (6938131) 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, 27189 + ... + 27442.

It is an arithmetic number, because the mean of its divisors is an integer number (1748224).

Almost surely, 2^6938137 is an apocalyptic number.

It is an amenable number.

6938137 is a deficient number, since it is larger than the sum of its proper divisors (54759).

6938137 is a wasteful number, since it uses less digits than its factorization.

6938137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54758.

The product of its digits is 27216, while the sum is 37.

The square root of 6938137 is about 2634.0343581662. The cubic root of 6938137 is about 190.7279278237.

The spelling of 6938137 in words is "six million, nine hundred thirty-eight thousand, one hundred thirty-seven".