9669957 has 24 divisors (see below), whose sum is σ = 15015168. Its totient is φ = 5512320.

The previous prime is 9669953. The next prime is 9669997. The reversal of 9669957 is 7599669.

It is not a de Polignac number, because 9669957 - 2² = 9669953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

9669957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9669953) 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 23 ways as a sum of consecutive naturals, for example, 5388 + ... + 6954.

It is an arithmetic number, because the mean of its divisors is an integer number (625632).

Almost surely, 2^9669957 is an apocalyptic number.

It is an amenable number.

9669957 is a deficient number, since it is larger than the sum of its proper divisors (5345211).

9669957 is a wasteful number, since it uses less digits than its factorization.

9669957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1598 counting only the distinct ones).

The product of its digits is 918540, while the sum is 51.

The square root of 9669957 is about 3109.6554471517. The cubic root of 9669957 is about 213.0467176946.

It can be divided in two parts, 9 and 669957, that added together give a palindrome (669966).

The spelling of 9669957 in words is "nine million, six hundred sixty-nine thousand, nine hundred fifty-seven".