18489414 has 16 divisors (see below), whose sum is σ = 38254320. Its totient is φ = 5950560.

The previous prime is 18489409. The next prime is 18489431. The reversal of 18489414 is 41498481.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52957 + ... + 53304.

It is an arithmetic number, because the mean of its divisors is an integer number (2390895).

Almost surely, 2^18489414 is an apocalyptic number.

18489414 is an abundant number, since it is smaller than the sum of its proper divisors (19764906).

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

18489414 is a wasteful number, since it uses less digits than its factorization.

18489414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106295.

The product of its digits is 36864, while the sum is 39.

The square root of 18489414 is about 4299.9318599252. The cubic root of 18489414 is about 264.4281676905.

It can be divided in two parts, 184 and 89414, that added together give a palindrome (89598).

The spelling of 18489414 in words is "eighteen million, four hundred eighty-nine thousand, four hundred fourteen".