18414371 has 4 divisors (see below), whose sum is σ = 18863544. Its totient is φ = 17965200.

The previous prime is 18414353. The next prime is 18414377. The reversal of 18414371 is 17341481.

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

It is a cyclic number.

It is not a de Polignac number, because 18414371 - 2¹⁸ = 18152227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18414377) 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 3 ways as a sum of consecutive naturals, for example, 224525 + ... + 224606.

It is an arithmetic number, because the mean of its divisors is an integer number (4715886).

Almost surely, 2^18414371 is an apocalyptic number.

18414371 is a deficient number, since it is larger than the sum of its proper divisors (449173).

18414371 is an equidigital number, since it uses as much as digits as its factorization.

18414371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449172.

The product of its digits is 2688, while the sum is 29.

The square root of 18414371 is about 4291.1969192756. The cubic root of 18414371 is about 264.0699376615.

The spelling of 18414371 in words is "eighteen million, four hundred fourteen thousand, three hundred seventy-one".