989659241 has 2 divisors, whose sum is σ = 989659242. Its totient is φ = 989659240.

The previous prime is 989659163. The next prime is 989659331. The reversal of 989659241 is 142956989.

989659241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984641641 + 5017600 = 31379^2 + 2240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989659241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (989659141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494829620 + 494829621.

It is an arithmetic number, because the mean of its divisors is an integer number (494829621).

Almost surely, 2^989659241 is an apocalyptic number.

It is an amenable number.

989659241 is a deficient number, since it is larger than the sum of its proper divisors (1).

989659241 is an equidigital number, since it uses as much as digits as its factorization.

989659241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The square root of 989659241 is about 31458.8499630867. The cubic root of 989659241 is about 996.5411303478.

The spelling of 989659241 in words is "nine hundred eighty-nine million, six hundred fifty-nine thousand, two hundred forty-one".