6986947 has 8 divisors (see below), whose sum is σ = 7645680. Its totient is φ = 6332160.

The previous prime is 6986911. The next prime is 6986977. The reversal of 6986947 is 7496896.

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-6986947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6986947.

It is not an unprimeable number, because it can be changed into a prime (6986977) 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, 3723 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (955710).

Almost surely, 2^6986947 is an apocalyptic number.

6986947 is a deficient number, since it is larger than the sum of its proper divisors (658733).

6986947 is a wasteful number, since it uses less digits than its factorization.

6986947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973.

The product of its digits is 653184, while the sum is 49.

The square root of 6986947 is about 2643.2833748957. The cubic root of 6986947 is about 191.1741419575.

The spelling of 6986947 in words is "six million, nine hundred eighty-six thousand, nine hundred forty-seven".