4085118 has 24 divisors (see below), whose sum is σ = 9137856. Its totient is φ = 1317600.

The previous prime is 4085113. The next prime is 4085119. The reversal of 4085118 is 8115804.

It is a junction number, because it is equal to n+sod(n) for n = 4085091 and 4085100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3103 + ... + 4218.

It is an arithmetic number, because the mean of its divisors is an integer number (380744).

Almost surely, 2^4085118 is an apocalyptic number.

4085118 is an abundant number, since it is smaller than the sum of its proper divisors (5052738).

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

4085118 is a wasteful number, since it uses less digits than its factorization.

4085118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360 (or 7357 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 4085118 is about 2021.1674844010. The cubic root of 4085118 is about 159.8581816260.

It can be divided in two parts, 40 and 85118, that added together give a palindrome (85158).

The spelling of 4085118 in words is "four million, eighty-five thousand, one hundred eighteen".