9489709 has 4 divisors (see below), whose sum is σ = 9645340. Its totient is φ = 9334080.

The previous prime is 9489707. The next prime is 9489719. The reversal of 9489709 is 9079849.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9079849 = 239 ⋅37991.

It can be written as a sum of positive squares in 2 ways, for example, as 459684 + 9030025 = 678^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 9489709 - 2¹ = 9489707 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 (9489707) 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 3 ways as a sum of consecutive naturals, for example, 77724 + ... + 77845.

It is an arithmetic number, because the mean of its divisors is an integer number (2411335).

Almost surely, 2^9489709 is an apocalyptic number.

It is an amenable number.

9489709 is a deficient number, since it is larger than the sum of its proper divisors (155631).

9489709 is a wasteful number, since it uses less digits than its factorization.

9489709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155630.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9489709 is about 3080.5371284891. The cubic root of 9489709 is about 211.7146763880.

The spelling of 9489709 in words is "nine million, four hundred eighty-nine thousand, seven hundred nine".