4081318 has 16 divisors (see below), whose sum is σ = 6305040. Its totient is φ = 1980576.

The previous prime is 4081307. The next prime is 4081331. The reversal of 4081318 is 8131804.

It is a junction number, because it is equal to n+sod(n) for n = 4081292 and 4081301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14596 + ... + 14872.

It is an arithmetic number, because the mean of its divisors is an integer number (394065).

Almost surely, 2^4081318 is an apocalyptic number.

4081318 is a deficient number, since it is larger than the sum of its proper divisors (2223722).

4081318 is a wasteful number, since it uses less digits than its factorization.

4081318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 4081318 is about 2020.2272149439. The cubic root of 4081318 is about 159.8085992523.

The spelling of 4081318 in words is "four million, eighty-one thousand, three hundred eighteen".