13838442 has 16 divisors (see below), whose sum is σ = 29305152. Its totient is φ = 4341440.

The previous prime is 13838437. The next prime is 13838449. The reversal of 13838442 is 24483831.

It is not an unprimeable number, because it can be changed into a prime (13838449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67734 + ... + 67937.

It is an arithmetic number, because the mean of its divisors is an integer number (1831572).

Almost surely, 2^13838442 is an apocalyptic number.

13838442 is an abundant number, since it is smaller than the sum of its proper divisors (15466710).

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

13838442 is a wasteful number, since it uses less digits than its factorization.

13838442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135693.

The product of its digits is 18432, while the sum is 33.

The square root of 13838442 is about 3720.0056451570. The cubic root of 13838442 is about 240.0835473015.

The spelling of 13838442 in words is "thirteen million, eight hundred thirty-eight thousand, four hundred forty-two".