6456671 has 8 divisors (see below), whose sum is σ = 6980064. Its totient is φ = 5937120.

The previous prime is 6456661. The next prime is 6456679. The reversal of 6456671 is 1766546.

6456671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6456671 - 2⁶ = 6456607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456679) 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, 3245 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (872508).

Almost surely, 2^6456671 is an apocalyptic number.

6456671 is a deficient number, since it is larger than the sum of its proper divisors (523393).

6456671 is a wasteful number, since it uses less digits than its factorization.

6456671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921.

The product of its digits is 30240, while the sum is 35.

The square root of 6456671 is about 2540.9980322700. The cubic root of 6456671 is about 186.2099510004.

The spelling of 6456671 in words is "six million, four hundred fifty-six thousand, six hundred seventy-one".