4665856 has 40 divisors (see below), whose sum is σ = 10054044. Its totient is φ = 2150400.

The previous prime is 4665851. The next prime is 4665863. The reversal of 4665856 is 6585664.

It can be written as a sum of positive squares in 2 ways, for example, as 4665600 + 256 = 2160^2 + 16^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4665851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6306 + ... + 7006.

Almost surely, 2^4665856 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 4665856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5027022).

4665856 is an abundant number, since it is smaller than the sum of its proper divisors (5388188).

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

4665856 is an equidigital number, since it uses as much as digits as its factorization.

4665856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 716 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 4665856 is about 2160.0592584464. The cubic root of 4665856 is about 167.1002541443.

It can be divided in two parts, 4 and 665856, that multiplied together give a square (2663424 = 1632²).

The spelling of 4665856 in words is "four million, six hundred sixty-five thousand, eight hundred fifty-six".