9669637 has 4 divisors (see below), whose sum is σ = 10090080. Its totient is φ = 9249196.

The previous prime is 9669631. The next prime is 9669661. The reversal of 9669637 is 7369669.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7369669 = 431 ⋅17099.

It is a cyclic number.

It is not a de Polignac number, because 9669637 - 2¹⁹ = 9145349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9669631) 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, 210187 + ... + 210232.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^9669637 is an apocalyptic number.

It is an amenable number.

9669637 is a deficient number, since it is larger than the sum of its proper divisors (420443).

9669637 is a wasteful number, since it uses less digits than its factorization.

9669637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420442.

The product of its digits is 367416, while the sum is 46.

The square root of 9669637 is about 3109.6039940803. The cubic root of 9669637 is about 213.0443676082.

Subtracting from 9669637 its reverse (7369669), we obtain a cube (2299968 = 132³).

The spelling of 9669637 in words is "nine million, six hundred sixty-nine thousand, six hundred thirty-seven".