9657671 has 8 divisors (see below), whose sum is σ = 10010880. Its totient is φ = 9310392.

The previous prime is 9657653. The next prime is 9657679. The reversal of 9657671 is 1767569.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9657671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9657679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976 + ... + 4818.

It is an arithmetic number, because the mean of its divisors is an integer number (1251360).

Almost surely, 2^9657671 is an apocalyptic number.

9657671 is a deficient number, since it is larger than the sum of its proper divisors (353209).

9657671 is a wasteful number, since it uses less digits than its factorization.

9657671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its digits is 79380, while the sum is 41.

The square root of 9657671 is about 3107.6793592647. The cubic root of 9657671 is about 212.9564518229.

The spelling of 9657671 in words is "nine million, six hundred fifty-seven thousand, six hundred seventy-one".