9669565 has 4 divisors (see below), whose sum is σ = 11603484. Its totient is φ = 7735648.

The previous prime is 9669559. The next prime is 9669571. The reversal of 9669565 is 5659669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5659669 = 29 ⋅195161.

It is an interprime number because it is at equal distance from previous prime (9669559) and next prime (9669571).

It can be written as a sum of positive squares in 2 ways, for example, as 6335289 + 3334276 = 2517^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 9669565 - 2⁹ = 9669053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966952 + ... + 966961.

It is an arithmetic number, because the mean of its divisors is an integer number (2900871).

Almost surely, 2^9669565 is an apocalyptic number.

It is an amenable number.

9669565 is a deficient number, since it is larger than the sum of its proper divisors (1933919).

9669565 is a wasteful number, since it uses less digits than its factorization.

9669565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933918.

The product of its digits is 437400, while the sum is 46.

The square root of 9669565 is about 3109.5924170219. The cubic root of 9669565 is about 213.0438388316.

The spelling of 9669565 in words is "nine million, six hundred sixty-nine thousand, five hundred sixty-five".