6458671 has 4 divisors (see below), whose sum is σ = 6568200. Its totient is φ = 6349144.

The previous prime is 6458629. The next prime is 6458681. The reversal of 6458671 is 1768546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6458671 - 2⁹ = 6458159 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 6458671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6458681) 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, 54676 + ... + 54793.

It is an arithmetic number, because the mean of its divisors is an integer number (1642050).

Almost surely, 2^6458671 is an apocalyptic number.

6458671 is a deficient number, since it is larger than the sum of its proper divisors (109529).

6458671 is a wasteful number, since it uses less digits than its factorization.

6458671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109528.

The product of its digits is 40320, while the sum is 37.

The square root of 6458671 is about 2541.3915479516. The cubic root of 6458671 is about 186.2291756367.

It can be divided in two parts, 645 and 8671, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 6458671 in words is "six million, four hundred fifty-eight thousand, six hundred seventy-one".