13938238 has 8 divisors (see below), whose sum is σ = 21007080. Its totient is φ = 6935880.

The previous prime is 13938227. The next prime is 13938247. The reversal of 13938238 is 83283931.

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

It is a junction number, because it is equal to n+sod(n) for n = 13938197 and 13938206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16093 + ... + 16936.

It is an arithmetic number, because the mean of its divisors is an integer number (2625885).

Almost surely, 2^13938238 is an apocalyptic number.

13938238 is a deficient number, since it is larger than the sum of its proper divisors (7068842).

13938238 is a wasteful number, since it uses less digits than its factorization.

13938238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33242.

The product of its digits is 31104, while the sum is 37.

The square root of 13938238 is about 3733.3949697293. The cubic root of 13938238 is about 240.6592867992.

The spelling of 13938238 in words is "thirteen million, nine hundred thirty-eight thousand, two hundred thirty-eight".