18414085 has 4 divisors (see below), whose sum is σ = 22096908. Its totient is φ = 14731264.

The previous prime is 18414073. The next prime is 18414089. The reversal of 18414085 is 58041481.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14607684 + 3806401 = 3822^2 + 1951^2 .

It is a cyclic number.

It is not a de Polignac number, because 18414085 - 2¹⁵ = 18381317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18414089) 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, 1841404 + ... + 1841413.

It is an arithmetic number, because the mean of its divisors is an integer number (5524227).

Almost surely, 2^18414085 is an apocalyptic number.

It is an amenable number.

18414085 is a deficient number, since it is larger than the sum of its proper divisors (3682823).

18414085 is an equidigital number, since it uses as much as digits as its factorization.

18414085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682822.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 18414085 is about 4291.1635951103. The cubic root of 18414085 is about 264.0685705337.

The spelling of 18414085 in words is "eighteen million, four hundred fourteen thousand, eighty-five".