9670643 has 4 divisors (see below), whose sum is σ = 9678648. Its totient is φ = 9662640.

The previous prime is 9670621. The next prime is 9670663. The reversal of 9670643 is 3460769.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9670643 - 2¹⁰ = 9669619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9670613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (2419662).

Almost surely, 2^9670643 is an apocalyptic number.

9670643 is a deficient number, since it is larger than the sum of its proper divisors (8005).

9670643 is a wasteful number, since it uses less digits than its factorization.

9670643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8004.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 9670643 is about 3109.7657468047. The cubic root of 9670643 is about 213.0517555175.

The spelling of 9670643 in words is "nine million, six hundred seventy thousand, six hundred forty-three".