6471668 has 12 divisors (see below), whose sum is σ = 12943392. Its totient is φ = 2773560.

The previous prime is 6471667. The next prime is 6471677. The reversal of 6471668 is 8661746.

6471668 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6471667) 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, 115538 + ... + 115593.

It is an arithmetic number, because the mean of its divisors is an integer number (1078616).

Almost surely, 2^6471668 is an apocalyptic number.

It is an amenable number.

6471668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6471668 is a wasteful number, since it uses less digits than its factorization.

6471668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231142 (or 231140 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 6471668 is about 2543.9473264987. The cubic root of 6471668 is about 186.3540103405.

The spelling of 6471668 in words is "six million, four hundred seventy-one thousand, six hundred sixty-eight".