9710989 has 4 divisors (see below), whose sum is σ = 9721440. Its totient is φ = 9700540.

The previous prime is 9710977. The next prime is 9710993. The reversal of 9710989 is 9890179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9890179 = 13 ⋅760783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9710989 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 (9710959) 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, 3679 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (2430360).

Almost surely, 2^9710989 is an apocalyptic number.

It is an amenable number.

9710989 is a deficient number, since it is larger than the sum of its proper divisors (10451).

9710989 is a wasteful number, since it uses less digits than its factorization.

9710989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 9710989 is about 3116.2459787379. The cubic root of 9710989 is about 213.3476289791.

The spelling of 9710989 in words is "nine million, seven hundred ten thousand, nine hundred eighty-nine".