4085718 has 48 divisors (see below), whose sum is σ = 10246320. Its totient is φ = 1076544.

The previous prime is 4085699. The next prime is 4085747. The reversal of 4085718 is 8175804.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3288 + ... + 4356.

It is an arithmetic number, because the mean of its divisors is an integer number (213465).

Almost surely, 2^4085718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4085718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5123160).

4085718 is an abundant number, since it is smaller than the sum of its proper divisors (6160602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4085718 is a wasteful number, since it uses less digits than its factorization.

4085718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 4085718 is about 2021.3159080164. The cubic root of 4085718 is about 159.8660076107.

It can be divided in two parts, 40 and 85718, that added together give a palindrome (85758).

The spelling of 4085718 in words is "four million, eighty-five thousand, seven hundred eighteen".