9669689 has 4 divisors (see below), whose sum is σ = 10178640. Its totient is φ = 9160740.

The previous prime is 9669677. The next prime is 9669707. The reversal of 9669689 is 9869669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9669689 - 2⁸ = 9669433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9669689.

It is not an unprimeable number, because it can be changed into a prime (9669619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254447 + ... + 254484.

It is an arithmetic number, because the mean of its divisors is an integer number (2544660).

Almost surely, 2^9669689 is an apocalyptic number.

It is an amenable number.

9669689 is a deficient number, since it is larger than the sum of its proper divisors (508951).

9669689 is a wasteful number, since it uses less digits than its factorization.

9669689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508950.

The product of its digits is 1259712, while the sum is 53.

The square root of 9669689 is about 3109.6123552623. The cubic root of 9669689 is about 213.0447495008.

The spelling of 9669689 in words is "nine million, six hundred sixty-nine thousand, six hundred eighty-nine".