4788865 has 4 divisors (see below), whose sum is σ = 5746644. Its totient is φ = 3831088.

The previous prime is 4788863. The next prime is 4788869. The reversal of 4788865 is 5688874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5688874 = 2 ⋅2844437.

It can be written as a sum of positive squares in 2 ways, for example, as 1806336 + 2982529 = 1344^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 4788865 - 2¹ = 4788863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4788863) 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, 478882 + ... + 478891.

It is an arithmetic number, because the mean of its divisors is an integer number (1436661).

Almost surely, 2^4788865 is an apocalyptic number.

It is an amenable number.

4788865 is a deficient number, since it is larger than the sum of its proper divisors (957779).

4788865 is an equidigital number, since it uses as much as digits as its factorization.

4788865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957778.

The product of its digits is 430080, while the sum is 46.

The square root of 4788865 is about 2188.3475500934. The cubic root of 4788865 is about 168.5559928617. Note that the first 3 decimals are identical.

Subtracting 4788865 from its reverse (5688874), we obtain a palindrome (900009).

The spelling of 4788865 in words is "four million, seven hundred eighty-eight thousand, eight hundred sixty-five".