14218308 has 144 divisors (see below), whose sum is σ = 43041600. Its totient is φ = 4043520.

The previous prime is 14218297. The next prime is 14218313. The reversal of 14218308 is 80381241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346768 + ... + 346808.

It is an arithmetic number, because the mean of its divisors is an integer number (298900).

Almost surely, 2^14218308 is an apocalyptic number.

14218308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14218308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21520800).

14218308 is an abundant number, since it is smaller than the sum of its proper divisors (28823292).

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

14218308 is a wasteful number, since it uses less digits than its factorization.

14218308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 14218308 is about 3770.7171731648. The cubic root of 14218308 is about 242.2605167534.

Adding to 14218308 its reverse (80381241), we get a palindrome (94599549).

The spelling of 14218308 in words is "fourteen million, two hundred eighteen thousand, three hundred eight".