4085824 has 14 divisors (see below), whose sum is σ = 8107934. Its totient is φ = 2042880.

The previous prime is 4085819. The next prime is 4085827. The reversal of 4085824 is 4285804.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 399424 = 1920^2 + 632^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31857 + ... + 31984.

Almost surely, 2^4085824 is an apocalyptic number.

It is an amenable number.

4085824 is a deficient number, since it is larger than the sum of its proper divisors (4022110).

4085824 is an equidigital number, since it uses as much as digits as its factorization.

4085824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63853 (or 63843 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 4085824 is about 2021.3421283890. The cubic root of 4085824 is about 159.8673901217.

The spelling of 4085824 in words is "four million, eighty-five thousand, eight hundred twenty-four".