6984687 has 4 divisors (see below), whose sum is σ = 9312920. Its totient is φ = 4656456.

The previous prime is 6984629. The next prime is 6984689. The reversal of 6984687 is 7864896.

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

It is not a de Polignac number, because 6984687 - 2⁷ = 6984559 is a prime.

It is a D-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 (6984689) 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, 1164112 + ... + 1164117.

It is an arithmetic number, because the mean of its divisors is an integer number (2328230).

Almost surely, 2^6984687 is an apocalyptic number.

6984687 is a deficient number, since it is larger than the sum of its proper divisors (2328233).

6984687 is a wasteful number, since it uses less digits than its factorization.

6984687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328232.

The product of its digits is 580608, while the sum is 48.

The square root of 6984687 is about 2642.8558416985. The cubic root of 6984687 is about 191.1535273193.

The spelling of 6984687 in words is "six million, nine hundred eighty-four thousand, six hundred eighty-seven".