4857856 has 28 divisors (see below), whose sum is σ = 9731502. Its totient is φ = 2424832.

The previous prime is 4857829. The next prime is 4857893. The reversal of 4857856 is 6587584.

It can be written as a sum of positive squares in only one way, i.e., 3936256 + 921600 = 1984^2 + 960^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7896 + ... + 8488.

Almost surely, 2^4857856 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 4857856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4865751).

4857856 is an abundant number, since it is smaller than the sum of its proper divisors (4873646).

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

4857856 is an frugal number, since it uses more digits than its factorization.

4857856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 595 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 4857856 is about 2204.0544457885. The cubic root of 4857856 is about 169.3615731244.

The spelling of 4857856 in words is "four million, eight hundred fifty-seven thousand, eight hundred fifty-six".