9742589 has 2 divisors, whose sum is σ = 9742590. Its totient is φ = 9742588.

The previous prime is 9742571. The next prime is 9742591. The reversal of 9742589 is 9852479.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5098564 + 4644025 = 2258^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 9742589 - 2¹² = 9738493 is a prime.

Together with 9742591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9742189) 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 as a sum of consecutive naturals, namely, 4871294 + 4871295.

It is an arithmetic number, because the mean of its divisors is an integer number (4871295).

Almost surely, 2^9742589 is an apocalyptic number.

It is an amenable number.

9742589 is a deficient number, since it is larger than the sum of its proper divisors (1).

9742589 is an equidigital number, since it uses as much as digits as its factorization.

9742589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 9742589 is about 3121.3120638603. The cubic root of 9742589 is about 213.5787927179.

The spelling of 9742589 in words is "nine million, seven hundred forty-two thousand, five hundred eighty-nine".