9672309 has 6 divisors (see below), whose sum is σ = 13971126. Its totient is φ = 6448200.

The previous prime is 9672293. The next prime is 9672317. The reversal of 9672309 is 9032769.

It can be written as a sum of positive squares in only one way, i.e., 8538084 + 1134225 = 2922^2 + 1065^2 .

It is not a de Polignac number, because 9672309 - 2⁴ = 9672293 is a prime.

It is a super-2 number, since 2×9672309² = 187107122782962, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9672319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537342 + ... + 537359.

It is an arithmetic number, because the mean of its divisors is an integer number (2328521).

Almost surely, 2^9672309 is an apocalyptic number.

It is an amenable number.

9672309 is a deficient number, since it is larger than the sum of its proper divisors (4298817).

9672309 is a wasteful number, since it uses less digits than its factorization.

9672309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074707 (or 1074704 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 9672309 is about 3110.0336011047. The cubic root of 9672309 is about 213.0639892384.

The spelling of 9672309 in words is "nine million, six hundred seventy-two thousand, three hundred nine".