3859856 has 80 divisors (see below), whose sum is σ = 10082688. Its totient is φ = 1382400.

The previous prime is 3859847. The next prime is 3859879. The reversal of 3859856 is 6589583.

3859856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15896 + ... + 16136.

Almost surely, 2^3859856 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 3859856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5041344).

3859856 is an abundant number, since it is smaller than the sum of its proper divisors (6222832).

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

3859856 is a wasteful number, since it uses less digits than its factorization.

3859856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 3859856 is about 1964.6516230620. The cubic root of 3859856 is about 156.8641501361.

The spelling of 3859856 in words is "three million, eight hundred fifty-nine thousand, eight hundred fifty-six".