18412414 has 4 divisors (see below), whose sum is σ = 27618624. Its totient is φ = 9206206.

The previous prime is 18412363. The next prime is 18412417. The reversal of 18412414 is 41421481.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18412417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4603102 + ... + 4603105.

It is an arithmetic number, because the mean of its divisors is an integer number (6904656).

Almost surely, 2^18412414 is an apocalyptic number.

18412414 is a deficient number, since it is larger than the sum of its proper divisors (9206210).

18412414 is an equidigital number, since it uses as much as digits as its factorization.

18412414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206209.

The product of its digits is 1024, while the sum is 25.

The square root of 18412414 is about 4290.9688882582. The cubic root of 18412414 is about 264.0605825917.

Adding to 18412414 its reverse (41421481), we get a palindrome (59833895).

The spelling of 18412414 in words is "eighteen million, four hundred twelve thousand, four hundred fourteen".