9669771 has 12 divisors (see below), whose sum is σ = 13994448. Its totient is φ = 6434064.

The previous prime is 9669767. The next prime is 9669773. The reversal of 9669771 is 1779669.

It is not a de Polignac number, because 9669771 - 2² = 9669767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9669773) 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 11 ways as a sum of consecutive naturals, for example, 8301 + ... + 9393.

It is an arithmetic number, because the mean of its divisors is an integer number (1166204).

Almost surely, 2^9669771 is an apocalyptic number.

9669771 is a deficient number, since it is larger than the sum of its proper divisors (4324677).

9669771 is a wasteful number, since it uses less digits than its factorization.

9669771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 2079 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 9669771 is about 3109.6255401575. The cubic root of 9669771 is about 213.0453517132.

It can be divided in two parts, 9669 and 771, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 9669771 in words is "nine million, six hundred sixty-nine thousand, seven hundred seventy-one".