9489389 has 12 divisors (see below), whose sum is σ = 11888604. Its totient is φ = 7507584.

The previous prime is 9489367. The next prime is 9489407. The reversal of 9489389 is 9839849.

It can be written as a sum of positive squares in 2 ways, for example, as 5368489 + 4120900 = 2317^2 + 2030^2 .

It is not a de Polignac number, because 9489389 - 2¹⁶ = 9423853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489329) 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 11 ways as a sum of consecutive naturals, for example, 6812 + ... + 8085.

It is an arithmetic number, because the mean of its divisors is an integer number (990717).

Almost surely, 2^9489389 is an apocalyptic number.

It is an amenable number.

9489389 is a deficient number, since it is larger than the sum of its proper divisors (2399215).

9489389 is a wasteful number, since it uses less digits than its factorization.

9489389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14924 (or 14917 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 9489389 is about 3080.4851890571. The cubic root of 9489389 is about 211.7122966361.

The spelling of 9489389 in words is "nine million, four hundred eighty-nine thousand, three hundred eighty-nine".