9657669 has 16 divisors (see below), whose sum is σ = 14796800. Its totient is φ = 5488560.

The previous prime is 9657653. The next prime is 9657679. The reversal of 9657669 is 9667569.

9657669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9657669 - 2⁴ = 9657653 is a prime.

It is a super-2 number, since 2×9657669² = 186541141027122, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (612360) is a multiple of the sum of its prime divisors (2520).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9657619) 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, 3024 + ... + 5334.

It is an arithmetic number, because the mean of its divisors is an integer number (924800).

Almost surely, 2^9657669 is an apocalyptic number.

It is an amenable number.

9657669 is a deficient number, since it is larger than the sum of its proper divisors (5139131).

9657669 is a wasteful number, since it uses less digits than its factorization.

9657669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

The product of its digits is 612360, while the sum is 48.

The square root of 9657669 is about 3107.6790374812. The cubic root of 9657669 is about 212.9564371225.

The spelling of 9657669 in words is "nine million, six hundred fifty-seven thousand, six hundred sixty-nine".