9842989 has 8 divisors (see below), whose sum is σ = 10704512. Its totient is φ = 8996400.

The previous prime is 9842981. The next prime is 9843013. The reversal of 9842989 is 9892489.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9842989 - 2³ = 9842981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9842981) 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 7 ways as a sum of consecutive naturals, for example, 2337 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (1338064).

Almost surely, 2^9842989 is an apocalyptic number.

It is an amenable number.

9842989 is a deficient number, since it is larger than the sum of its proper divisors (861523).

9842989 is a wasteful number, since it uses less digits than its factorization.

9842989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7467.

The product of its digits is 373248, while the sum is 49.

The square root of 9842989 is about 3137.3538212959. The cubic root of 9842989 is about 214.3099491532.

The spelling of 9842989 in words is "nine million, eight hundred forty-two thousand, nine hundred eighty-nine".