9671861 has 16 divisors (see below), whose sum is σ = 10663488. Its totient is φ = 8736000.

The previous prime is 9671821. The next prime is 9671863. The reversal of 9671861 is 1681769.

9671861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9671861 - 2⁶ = 9671797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9671863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73766 + ... + 73896.

It is an arithmetic number, because the mean of its divisors is an integer number (666468).

Almost surely, 2^9671861 is an apocalyptic number.

It is an amenable number.

9671861 is a deficient number, since it is larger than the sum of its proper divisors (991627).

9671861 is a wasteful number, since it uses less digits than its factorization.

9671861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its digits is 18144, while the sum is 38.

The square root of 9671861 is about 3109.9615753253. The cubic root of 9671861 is about 213.0606996364.

The spelling of 9671861 in words is "nine million, six hundred seventy-one thousand, eight hundred sixty-one".