6938871 has 8 divisors (see below), whose sum is σ = 9264000. Its totient is φ = 4619832.

The previous prime is 6938861. The next prime is 6938891. The reversal of 6938871 is 1788396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6938871 - 2⁹ = 6938359 is a prime.

6938871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6938821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3726 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (1158000).

Almost surely, 2^6938871 is an apocalyptic number.

6938871 is a deficient number, since it is larger than the sum of its proper divisors (2325129).

6938871 is a wasteful number, since it uses less digits than its factorization.

6938871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045.

The product of its digits is 72576, while the sum is 42.

The square root of 6938871 is about 2634.1736844787. The cubic root of 6938871 is about 190.7346534217.

The spelling of 6938871 in words is "six million, nine hundred thirty-eight thousand, eight hundred seventy-one".