6397671 has 8 divisors (see below), whose sum is σ = 9748864. Its totient is φ = 3655800.

The previous prime is 6397667. The next prime is 6397691. The reversal of 6397671 is 1767936.

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

It is not a de Polignac number, because 6397671 - 2² = 6397667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397631) 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, 152305 + ... + 152346.

It is an arithmetic number, because the mean of its divisors is an integer number (1218608).

Almost surely, 2^6397671 is an apocalyptic number.

6397671 is a deficient number, since it is larger than the sum of its proper divisors (3351193).

6397671 is a wasteful number, since it uses less digits than its factorization.

6397671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304661.

The product of its digits is 47628, while the sum is 39.

The square root of 6397671 is about 2529.3617772078. The cubic root of 6397671 is about 185.6410292362.

The spelling of 6397671 in words is "six million, three hundred ninety-seven thousand, six hundred seventy-one".