9671605 has 8 divisors (see below), whose sum is σ = 11678112. Its totient is φ = 7689168.

The previous prime is 9671593. The next prime is 9671621. The reversal of 9671605 is 5061769.

9671605 = 158² + 159² + ... + 320².

9671605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9671605 - 2⁵ = 9671573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 5119 + ... + 6748.

It is an arithmetic number, because the mean of its divisors is an integer number (1459764).

Almost surely, 2^9671605 is an apocalyptic number.

It is an amenable number.

9671605 is a deficient number, since it is larger than the sum of its proper divisors (2006507).

9671605 is a wasteful number, since it uses less digits than its factorization.

9671605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12035.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 9671605 is about 3109.9204169882. The cubic root of 9671605 is about 213.0588198183.

The spelling of 9671605 in words is "nine million, six hundred seventy-one thousand, six hundred five".