14181438 has 16 divisors (see below), whose sum is σ = 28682640. Its totient is φ = 4673856.

The previous prime is 14181437. The next prime is 14181481. The reversal of 14181438 is 83418141.

14181438 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14181438² = 402226367495688, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14181437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12745 + ... + 13812.

It is an arithmetic number, because the mean of its divisors is an integer number (1792665).

Almost surely, 2^14181438 is an apocalyptic number.

14181438 is an abundant number, since it is smaller than the sum of its proper divisors (14501202).

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

14181438 is a wasteful number, since it uses less digits than its factorization.

14181438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26651.

The product of its digits is 3072, while the sum is 30.

The square root of 14181438 is about 3765.8250092111. The cubic root of 14181438 is about 242.0509307007.

Adding to 14181438 its reverse (83418141), we get a palindrome (97599579).

The spelling of 14181438 in words is "fourteen million, one hundred eighty-one thousand, four hundred thirty-eight".