6886947 has 8 divisors (see below), whose sum is σ = 9267280. Its totient is φ = 4548960.

The previous prime is 6886937. The next prime is 6886963. The reversal of 6886947 is 7496886.

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

It is not a de Polignac number, because 6886947 - 2⁶ = 6886883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6886896 and 6886905.

It is not an unprimeable number, because it can be changed into a prime (6886907) 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, 10204 + ... + 10857.

It is an arithmetic number, because the mean of its divisors is an integer number (1158410).

Almost surely, 2^6886947 is an apocalyptic number.

6886947 is a deficient number, since it is larger than the sum of its proper divisors (2380333).

6886947 is a wasteful number, since it uses less digits than its factorization.

6886947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21173.

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

The square root of 6886947 is about 2624.2993350607. The cubic root of 6886947 is about 190.2577020221.

The spelling of 6886947 in words is "six million, eight hundred eighty-six thousand, nine hundred forty-seven".