4821856 has 48 divisors (see below), whose sum is σ = 10435824. Its totient is φ = 2179584.

The previous prime is 4821853. The next prime is 4821889. The reversal of 4821856 is 6581284.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821853) 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, 27786 + ... + 27958.

It is an arithmetic number, because the mean of its divisors is an integer number (217413).

Almost surely, 2^4821856 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 4821856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5217912).

4821856 is an abundant number, since it is smaller than the sum of its proper divisors (5613968).

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

4821856 is a wasteful number, since it uses less digits than its factorization.

4821856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 255 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 4821856 is about 2195.8724917445. The cubic root of 4821856 is about 168.9421741170.

It can be divided in two parts, 48 and 21856, that added together give a square (21904 = 148²).

The spelling of 4821856 in words is "four million, eight hundred twenty-one thousand, eight hundred fifty-six".