6927985 has 8 divisors (see below), whose sum is σ = 8343720. Its totient is φ = 5522304.

The previous prime is 6927979. The next prime is 6927997. The reversal of 6927985 is 5897296.

It can be written as a sum of positive squares in 4 ways, for example, as 516961 + 6411024 = 719^2 + 2532^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6927985 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 900 + ... + 3829.

It is an arithmetic number, because the mean of its divisors is an integer number (1042965).

Almost surely, 2^6927985 is an apocalyptic number.

It is an amenable number.

6927985 is a deficient number, since it is larger than the sum of its proper divisors (1415735).

6927985 is a wasteful number, since it uses less digits than its factorization.

6927985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027.

The product of its digits is 272160, while the sum is 46.

The square root of 6927985 is about 2632.1065707908. The cubic root of 6927985 is about 190.6348569659.

The spelling of 6927985 in words is "six million, nine hundred twenty-seven thousand, nine hundred eighty-five".