4085939 has 8 divisors (see below), whose sum is σ = 4800432. Its totient is φ = 3428640.

The previous prime is 4085923. The next prime is 4085941. The reversal of 4085939 is 9395804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4085939 - 2⁴ = 4085923 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4085239) 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, 14144 + ... + 14429.

It is an arithmetic number, because the mean of its divisors is an integer number (600054).

Almost surely, 2^4085939 is an apocalyptic number.

4085939 is a deficient number, since it is larger than the sum of its proper divisors (714493).

4085939 is a wasteful number, since it uses less digits than its factorization.

4085939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28597.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 4085939 is about 2021.3705746349. The cubic root of 4085939 is about 159.8688899887.

The spelling of 4085939 in words is "four million, eighty-five thousand, nine hundred thirty-nine".