14381643 has 8 divisors (see below), whose sum is σ = 20303568. Its totient is φ = 9023744.

The previous prime is 14381621. The next prime is 14381669. The reversal of 14381643 is 34618341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14381643 - 2⁶ = 14381579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14381643.

It is not an unprimeable number, because it can be changed into a prime (14381683) 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, 140946 + ... + 141047.

It is an arithmetic number, because the mean of its divisors is an integer number (2537946).

Almost surely, 2^14381643 is an apocalyptic number.

14381643 is a deficient number, since it is larger than the sum of its proper divisors (5921925).

14381643 is a wasteful number, since it uses less digits than its factorization.

14381643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282013.

The product of its digits is 6912, while the sum is 30.

The square root of 14381643 is about 3792.3136737353. The cubic root of 14381643 is about 243.1846553233.

Adding to 14381643 its reverse (34618341), we get a palindrome (48999984).

It can be divided in two parts, 1438 and 1643, that added together give a triangular number (3081 = T₇₈).

The spelling of 14381643 in words is "fourteen million, three hundred eighty-one thousand, six hundred forty-three".