18314208 has 192 divisors, whose sum is σ = 60963840. Its totient is φ = 5299200.

The previous prime is 18314201. The next prime is 18314209. The reversal of 18314208 is 80241381.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18314201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389641 + ... + 389687.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^18314208 is an apocalyptic number.

18314208 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 18314208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30481920).

18314208 is an abundant number, since it is smaller than the sum of its proper divisors (42649632).

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

18314208 is a wasteful number, since it uses less digits than its factorization.

18314208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 104 counting only the distinct ones).

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

The square root of 18314208 is about 4279.5102523536. The cubic root of 18314208 is about 263.5902735268.

Adding to 18314208 its reverse (80241381), we get a palindrome (98555589).

The spelling of 18314208 in words is "eighteen million, three hundred fourteen thousand, two hundred eight".