14381406 has 48 divisors (see below), whose sum is σ = 34398000. Its totient is φ = 4314240.

The previous prime is 14381401. The next prime is 14381407. The reversal of 14381406 is 60418341.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14381406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14381401) 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, 8845 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (716625).

Almost surely, 2^14381406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14381406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17199000).

14381406 is an abundant number, since it is smaller than the sum of its proper divisors (20016594).

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

14381406 is a wasteful number, since it uses less digits than its factorization.

14381406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 14381406 is about 3792.2824261914. The cubic root of 14381406 is about 243.1833194750.

Adding to 14381406 its reverse (60418341), we get a palindrome (74799747).

The spelling of 14381406 in words is "fourteen million, three hundred eighty-one thousand, four hundred six".