6471947 has 8 divisors (see below), whose sum is σ = 6898176. Its totient is φ = 6057832.

The previous prime is 6471919. The next prime is 6471953. The reversal of 6471947 is 7491746.

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

It is not a de Polignac number, because 6471947 - 2⁸ = 6471691 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 6471947.

It is not an unprimeable number, because it can be changed into a prime (6471967) 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, 1913 + ... + 4074.

It is an arithmetic number, because the mean of its divisors is an integer number (862272).

Almost surely, 2^6471947 is an apocalyptic number.

6471947 is a deficient number, since it is larger than the sum of its proper divisors (426229).

6471947 is a wasteful number, since it uses less digits than its factorization.

6471947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057.

The product of its digits is 42336, while the sum is 38.

The square root of 6471947 is about 2544.0021619488. The cubic root of 6471947 is about 186.3566882705.

The spelling of 6471947 in words is "six million, four hundred seventy-one thousand, nine hundred forty-seven".