13858238 has 8 divisors (see below), whose sum is σ = 20989488. Its totient is φ = 6861744.

The previous prime is 13858237. The next prime is 13858241. The reversal of 13858238 is 83285831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13858231) 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, 33431 + ... + 33842.

It is an arithmetic number, because the mean of its divisors is an integer number (2623686).

Almost surely, 2^13858238 is an apocalyptic number.

13858238 is a deficient number, since it is larger than the sum of its proper divisors (7131250).

13858238 is a wasteful number, since it uses less digits than its factorization.

13858238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67378.

The product of its digits is 46080, while the sum is 38.

The square root of 13858238 is about 3722.6654429320. The cubic root of 13858238 is about 240.1979732233.

It can be divided in two parts, 1385823 and 8, that added together give a palindrome (1385831).

The spelling of 13858238 in words is "thirteen million, eight hundred fifty-eight thousand, two hundred thirty-eight".