4085452 has 24 divisors (see below), whose sum is σ = 8328096. Its totient is φ = 1717248.

The previous prime is 4085447. The next prime is 4085453. The reversal of 4085452 is 2545804.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 4085452.

It is not an unprimeable number, because it can be changed into a prime (4085453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 2860.

It is an arithmetic number, because the mean of its divisors is an integer number (347004).

Almost surely, 2^4085452 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 4085452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4164048).

4085452 is an abundant number, since it is smaller than the sum of its proper divisors (4242644).

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

4085452 is a wasteful number, since it uses less digits than its factorization.

4085452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4085452 is about 2021.2501082251. The cubic root of 4085452 is about 159.8625381854.

The spelling of 4085452 in words is "four million, eighty-five thousand, four hundred fifty-two".