14281638 has 48 divisors (see below), whose sum is σ = 34320384. Its totient is φ = 3946320.

The previous prime is 14281637. The next prime is 14281651. The reversal of 14281638 is 83618241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14281599 and 14281608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14281637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8331 + ... + 9897.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 2^14281638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14281638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17160192).

14281638 is an abundant number, since it is smaller than the sum of its proper divisors (20038746).

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

14281638 is a wasteful number, since it uses less digits than its factorization.

14281638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1610 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 14281638 is about 3779.1054497063. The cubic root of 14281638 is about 242.6196695640.

Adding to 14281638 its reverse (83618241), we get a palindrome (97899879).

The spelling of 14281638 in words is "fourteen million, two hundred eighty-one thousand, six hundred thirty-eight".