2338639 has 4 divisors (see below), whose sum is σ = 2476224. Its totient is φ = 2201056.

The previous prime is 2338631. The next prime is 2338643. The reversal of 2338639 is 9368332.

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

It is a cyclic number.

It is not a de Polignac number, because 2338639 - 2³ = 2338631 is a prime.

It is a super-3 number, since 3×2338639³ = 38371680377917233357, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2338631) 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, 68767 + ... + 68800.

It is an arithmetic number, because the mean of its divisors is an integer number (619056).

2^2338639 is an apocalyptic number.

2338639 is a deficient number, since it is larger than the sum of its proper divisors (137585).

2338639 is a wasteful number, since it uses less digits than its factorization.

2338639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137584.

The product of its digits is 23328, while the sum is 34.

The square root of 2338639 is about 1529.2609326076. The cubic root of 2338639 is about 132.7356953576.

The spelling of 2338639 in words is "two million, three hundred thirty-eight thousand, six hundred thirty-nine".