18414377 has 2 divisors, whose sum is σ = 18414378. Its totient is φ = 18414376.

The previous prime is 18414353. The next prime is 18414413. The reversal of 18414377 is 77341481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16152361 + 2262016 = 4019^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 18414377 - 2¹⁴ = 18397993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18414317) 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 as a sum of consecutive naturals, namely, 9207188 + 9207189.

It is an arithmetic number, because the mean of its divisors is an integer number (9207189).

Almost surely, 2^18414377 is an apocalyptic number.

It is an amenable number.

18414377 is a deficient number, since it is larger than the sum of its proper divisors (1).

18414377 is an equidigital number, since it uses as much as digits as its factorization.

18414377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 18414377 is about 4291.1976183811. The cubic root of 18414377 is about 264.0699663423.

The spelling of 18414377 in words is "eighteen million, four hundred fourteen thousand, three hundred seventy-seven".