9790009 has 4 divisors (see below), whose sum is σ = 9823716. Its totient is φ = 9756304.

The previous prime is 9790003. The next prime is 9790013. The reversal of 9790009 is 9000979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9363600 + 426409 = 3060^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 9790009 - 2²³ = 1401401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9790003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16414 + ... + 16999.

It is an arithmetic number, because the mean of its divisors is an integer number (2455929).

Almost surely, 2^9790009 is an apocalyptic number.

It is an amenable number.

9790009 is a deficient number, since it is larger than the sum of its proper divisors (33707).

9790009 is a wasteful number, since it uses less digits than its factorization.

9790009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33706.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 9790009 is about 3128.8990076383. The cubic root of 9790009 is about 213.9247486311.

The spelling of 9790009 in words is "nine million, seven hundred ninety thousand, nine".