4085644 has 12 divisors (see below), whose sum is σ = 7570584. Its totient is φ = 1922624.

The previous prime is 4085639. The next prime is 4085657. The reversal of 4085644 is 4465804.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29974 + ... + 30109.

It is an arithmetic number, because the mean of its divisors is an integer number (630882).

Almost surely, 2^4085644 is an apocalyptic number.

It is an amenable number.

4085644 is a deficient number, since it is larger than the sum of its proper divisors (3484940).

4085644 is a wasteful number, since it uses less digits than its factorization.

4085644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60104 (or 60102 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 4085644 is about 2021.2976030263. The cubic root of 4085644 is about 159.8650424474.

The spelling of 4085644 in words is "four million, eighty-five thousand, six hundred forty-four".