13843438 has 32 divisors (see below), whose sum is σ = 25367040. Its totient is φ = 5533920.

The previous prime is 13843433. The next prime is 13843451. The reversal of 13843438 is 83434831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13843433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18520 + ... + 19252.

It is an arithmetic number, because the mean of its divisors is an integer number (792720).

Almost surely, 2^13843438 is an apocalyptic number.

13843438 is a deficient number, since it is larger than the sum of its proper divisors (11523602).

13843438 is a wasteful number, since it uses less digits than its factorization.

13843438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 27648, while the sum is 34.

The square root of 13843438 is about 3720.6770889181. The cubic root of 13843438 is about 240.1124357435.

The spelling of 13843438 in words is "thirteen million, eight hundred forty-three thousand, four hundred thirty-eight".