9994109 has 2 divisors, whose sum is σ = 9994110. Its totient is φ = 9994108.

The previous prime is 9994099. The next prime is 9994139. The reversal of 9994109 is 9014999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 228484 = 3125^2 + 478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9994109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9994139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997054 + 4997055.

It is an arithmetic number, because the mean of its divisors is an integer number (4997055).

Almost surely, 2^9994109 is an apocalyptic number.

It is an amenable number.

9994109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9994109 is an equidigital number, since it uses as much as digits as its factorization.

9994109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 9994109 is about 3161.3460740640. The cubic root of 9994109 is about 215.4011547771.

The spelling of 9994109 in words is "nine million, nine hundred ninety-four thousand, one hundred nine".