18430214 has 8 divisors (see below), whose sum is σ = 30158568. Its totient is φ = 8377360.

The previous prime is 18430207. The next prime is 18430229. The reversal of 18430214 is 41203481.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18430214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418847 + ... + 418890.

It is an arithmetic number, because the mean of its divisors is an integer number (3769821).

Almost surely, 2^18430214 is an apocalyptic number.

18430214 is a deficient number, since it is larger than the sum of its proper divisors (11728354).

18430214 is a wasteful number, since it uses less digits than its factorization.

18430214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837750.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 18430214 is about 4293.0425108540. The cubic root of 18430214 is about 264.1456477464.

Adding to 18430214 its reverse (41203481), we get a palindrome (59633695).

The spelling of 18430214 in words is "eighteen million, four hundred thirty thousand, two hundred fourteen".