18414337 has 4 divisors (see below), whose sum is σ = 18425556. Its totient is φ = 18403120.

The previous prime is 18414317. The next prime is 18414343. The reversal of 18414337 is 73341481.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7974976 + 10439361 = 2824^2 + 3231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18414337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18414299 and 18414308.

It is not an unprimeable number, because it can be changed into a prime (18414317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2614 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (4606389).

Almost surely, 2^18414337 is an apocalyptic number.

It is an amenable number.

18414337 is a deficient number, since it is larger than the sum of its proper divisors (11219).

18414337 is an equidigital number, since it uses as much as digits as its factorization.

18414337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11218.

The product of its digits is 8064, while the sum is 31.

The square root of 18414337 is about 4291.1929576751. The cubic root of 18414337 is about 264.0697751366.

The spelling of 18414337 in words is "eighteen million, four hundred fourteen thousand, three hundred thirty-seven".