2338638 has 8 divisors (see below), whose sum is σ = 4677288. Its totient is φ = 779544.

The previous prime is 2338631. The next prime is 2338643. The reversal of 2338638 is 8368332.

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

2338638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2338599 and 2338608.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194881 + ... + 194892.

It is an arithmetic number, because the mean of its divisors is an integer number (584661).

2^2338638 is an apocalyptic number.

2338638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2338638 is a wasteful number, since it uses less digits than its factorization.

2338638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389778.

The product of its digits is 20736, while the sum is 33.

The square root of 2338638 is about 1529.2606056523. The cubic root of 2338638 is about 132.7356764384.

The spelling of 2338638 in words is "two million, three hundred thirty-eight thousand, six hundred thirty-eight".