4085872 has 30 divisors (see below), whose sum is σ = 9094904. Its totient is φ = 1741920.

The previous prime is 4085857. The next prime is 4085891. The reversal of 4085872 is 2785804.

4085872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 21297 + ... + 21487.

Almost surely, 2^4085872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4085872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4547452).

4085872 is an abundant number, since it is smaller than the sum of its proper divisors (5009032).

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

4085872 is an equidigital number, since it uses as much as digits as its factorization.

4085872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 4085872 is about 2021.3540016533. The cubic root of 4085872 is about 159.8680161566.

The spelling of 4085872 in words is "four million, eighty-five thousand, eight hundred seventy-two".