9850889 has 2 divisors, whose sum is σ = 9850890. Its totient is φ = 9850888.

The previous prime is 9850861. The next prime is 9850921. The reversal of 9850889 is 9880589.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 85264 = 3125^2 + 292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9850889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9850849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4925444 + 4925445.

It is an arithmetic number, because the mean of its divisors is an integer number (4925445).

Almost surely, 2^9850889 is an apocalyptic number.

It is an amenable number.

9850889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9850889 is an equidigital number, since it uses as much as digits as its factorization.

9850889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 9850889 is about 3138.6125915761. The cubic root of 9850889 is about 214.3672689996.

The spelling of 9850889 in words is "nine million, eight hundred fifty thousand, eight hundred eighty-nine".