9670665 has 16 divisors (see below), whose sum is σ = 15545088. Its totient is φ = 5133696.

The previous prime is 9670663. The next prime is 9670699. The reversal of 9670665 is 5660769.

It is a happy number.

It is not a de Polignac number, because 9670665 - 2¹ = 9670663 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9670663) 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, 2112 + ... + 4878.

It is an arithmetic number, because the mean of its divisors is an integer number (971568).

Almost surely, 2^9670665 is an apocalyptic number.

It is an amenable number.

9670665 is a deficient number, since it is larger than the sum of its proper divisors (5874423).

9670665 is a wasteful number, since it uses less digits than its factorization.

9670665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 9670665 is about 3109.7692840466. The cubic root of 9670665 is about 213.0519170763.

The spelling of 9670665 in words is "nine million, six hundred seventy thousand, six hundred sixty-five".