418085 has 4 divisors (see below), whose sum is σ = 501708. Its totient is φ = 334464.

The previous prime is 418079. The next prime is 418087. The reversal of 418085 is 580814.

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 232324 + 185761 = 482^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 418085 - 2⁴ = 418069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 418085.

It is not an unprimeable number, because it can be changed into a prime (418087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41804 + ... + 41813.

It is an arithmetic number, because the mean of its divisors is an integer number (125427).

2⁴¹⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

418085 is a deficient number, since it is larger than the sum of its proper divisors (83623).

418085 is an equidigital number, since it uses as much as digits as its factorization.

418085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83622.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 418085 is about 646.5949272922. The cubic root of 418085 is about 74.7747314727.

Adding to 418085 its reverse (580814), we get a palindrome (998899).

The spelling of 418085 in words is "four hundred eighteen thousand, eighty-five".