9929189 has 2 divisors, whose sum is σ = 9929190. Its totient is φ = 9929188.

The previous prime is 9929177. The next prime is 9929201. The reversal of 9929189 is 9819299.

9929189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (9929177) and next prime (9929201).

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 3452164 = 2545^2 + 1858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9929189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9929149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964594 + 4964595.

It is an arithmetic number, because the mean of its divisors is an integer number (4964595).

Almost surely, 2^9929189 is an apocalyptic number.

It is an amenable number.

9929189 is a deficient number, since it is larger than the sum of its proper divisors (1).

9929189 is an equidigital number, since it uses as much as digits as its factorization.

9929189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 47.

The square root of 9929189 is about 3151.0615671548. The cubic root of 9929189 is about 214.9337383692.

The spelling of 9929189 in words is "nine million, nine hundred twenty-nine thousand, one hundred eighty-nine".