18114208 has 48 divisors (see below), whose sum is σ = 41065920. Its totient is φ = 7704576.

The previous prime is 18114203. The next prime is 18114209. The reversal of 18114208 is 80241181.

It is not an unprimeable number, because it can be changed into a prime (18114203) 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, 43023 + ... + 43441.

It is an arithmetic number, because the mean of its divisors is an integer number (855540).

Almost surely, 2^18114208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18114208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20532960).

18114208 is an abundant number, since it is smaller than the sum of its proper divisors (22951712).

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

18114208 is a wasteful number, since it uses less digits than its factorization.

18114208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 18114208 is about 4256.0789466362. The cubic root of 18114208 is about 262.6272483586.

Adding to 18114208 its reverse (80241181), we get a palindrome (98355389).

The spelling of 18114208 in words is "eighteen million, one hundred fourteen thousand, two hundred eight".