2993309 has 8 divisors (see below), whose sum is σ = 3457728. Its totient is φ = 2560960.

The previous prime is 2993303. The next prime is 2993311. The reversal of 2993309 is 9033992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2993309 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2993303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7817 + ... + 8190.

It is an arithmetic number, because the mean of its divisors is an integer number (432216).

2^2993309 is an apocalyptic number.

It is an amenable number.

2993309 is a deficient number, since it is larger than the sum of its proper divisors (464419).

2993309 is a wasteful number, since it uses less digits than its factorization.

2993309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16035.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 2993309 is about 1730.1182040543. The cubic root of 2993309 is about 144.1176539742.

The spelling of 2993309 in words is "two million, nine hundred ninety-three thousand, three hundred nine".