6984871 has 4 divisors (see below), whose sum is σ = 6990352. Its totient is φ = 6979392.

The previous prime is 6984797. The next prime is 6984881. The reversal of 6984871 is 1784896.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6984871 - 2⁷ = 6984743 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (1747588).

Almost surely, 2^6984871 is an apocalyptic number.

6984871 is a deficient number, since it is larger than the sum of its proper divisors (5481).

6984871 is a wasteful number, since it uses less digits than its factorization.

6984871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480.

The product of its digits is 96768, while the sum is 43.

The square root of 6984871 is about 2642.8906522972. The cubic root of 6984871 is about 191.1552058455.

The spelling of 6984871 in words is "six million, nine hundred eighty-four thousand, eight hundred seventy-one".