9394009 has 2 divisors, whose sum is σ = 9394010. Its totient is φ = 9394008.

The previous prime is 9394001. The next prime is 9394019. The reversal of 9394009 is 9004939.

9394009 is digitally balanced in base 3, 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., 8139609 + 1254400 = 2853^2 + 1120^2 .

It is an emirp because it is prime and its reverse (9004939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9394009 - 2³ = 9394001 is a prime.

9394009 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9394001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4697004 + 4697005.

It is an arithmetic number, because the mean of its divisors is an integer number (4697005).

Almost surely, 2^9394009 is an apocalyptic number.

It is an amenable number.

9394009 is a deficient number, since it is larger than the sum of its proper divisors (1).

9394009 is an equidigital number, since it uses as much as digits as its factorization.

9394009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 9394009 is about 3064.9647632559. The cubic root of 9394009 is about 211.0005839925. Note that the first 3 decimals are identical.

The spelling of 9394009 in words is "nine million, three hundred ninety-four thousand, nine".