4085856 has 48 divisors (see below), whose sum is σ = 11919600. Its totient is φ = 1361664.

The previous prime is 4085849. The next prime is 4085857. The reversal of 4085856 is 6585804.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4085856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (248325).

Almost surely, 2^4085856 is an apocalyptic number.

It is an amenable number.

4085856 is an abundant number, since it is smaller than the sum of its proper divisors (7833744).

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

4085856 is a wasteful number, since it uses less digits than its factorization.

4085856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748 (or 4734 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 4085856 is about 2021.3500439063. The cubic root of 4085856 is about 159.8678074789.

The spelling of 4085856 in words is "four million, eighty-five thousand, eight hundred fifty-six".