2338309 has 4 divisors (see below), whose sum is σ = 2359116. Its totient is φ = 2317504.

The previous prime is 2338291. The next prime is 2338331. The reversal of 2338309 is 9038332.

It is a happy number.

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 950625 + 1387684 = 975^2 + 1178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2338309 - 2⁷ = 2338181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2336309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10234 + ... + 10459.

It is an arithmetic number, because the mean of its divisors is an integer number (589779).

2^2338309 is an apocalyptic number.

It is an amenable number.

2338309 is a deficient number, since it is larger than the sum of its proper divisors (20807).

2338309 is a wasteful number, since it uses less digits than its factorization.

2338309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20806.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2338309 is about 1529.1530335450. The cubic root of 2338309 is about 132.7294517205.

The spelling of 2338309 in words is "two million, three hundred thirty-eight thousand, three hundred nine".