18214608 has 40 divisors (see below), whose sum is σ = 48576256. Its totient is φ = 5875200.

The previous prime is 18214607. The next prime is 18214613. The reversal of 18214608 is 80641281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18214601) 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 7 ways as a sum of consecutive naturals, for example, 4633 + ... + 7608.

Almost surely, 2^18214608 is an apocalyptic number.

It is an amenable number.

18214608 is an abundant number, since it is smaller than the sum of its proper divisors (30361648).

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

18214608 is a wasteful number, since it uses less digits than its factorization.

18214608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283 (or 12277 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 18214608 is about 4267.8575421398. The cubic root of 18214608 is about 263.1115681763. Note that the first 3 decimals are identical.

Adding to 18214608 its reverse (80641281), we get a palindrome (98855889).

The spelling of 18214608 in words is "eighteen million, two hundred fourteen thousand, six hundred eight".