9867671 has 6 divisors (see below), whose sum is σ = 10846416. Its totient is φ = 8970500.

The previous prime is 9867659. The next prime is 9867677. The reversal of 9867671 is 1767689.

9867671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-9867671 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 (9867677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40655 + ... + 40896.

It is an arithmetic number, because the mean of its divisors is an integer number (1807736).

Almost surely, 2^9867671 is an apocalyptic number.

9867671 is a deficient number, since it is larger than the sum of its proper divisors (978745).

9867671 is a wasteful number, since it uses less digits than its factorization.

9867671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81573 (or 81562 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 9867671 is about 3141.2849281783. The cubic root of 9867671 is about 214.4889321486.

The spelling of 9867671 in words is "nine million, eight hundred sixty-seven thousand, six hundred seventy-one".