9656671 has 2 divisors, whose sum is σ = 9656672. Its totient is φ = 9656670.

The previous prime is 9656651. The next prime is 9656753. The reversal of 9656671 is 1766569.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9656671 - 2¹⁷ = 9525599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9656611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828335 + 4828336.

It is an arithmetic number, because the mean of its divisors is an integer number (4828336).

Almost surely, 2^9656671 is an apocalyptic number.

9656671 is a deficient number, since it is larger than the sum of its proper divisors (1).

9656671 is an equidigital number, since it uses as much as digits as its factorization.

9656671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 9656671 is about 3107.5184633402. The cubic root of 9656671 is about 212.9491014033.

The spelling of 9656671 in words is "nine million, six hundred fifty-six thousand, six hundred seventy-one".