4865845 has 4 divisors (see below), whose sum is σ = 5839020. Its totient is φ = 3892672.

The previous prime is 4865827. The next prime is 4865849. The reversal of 4865845 is 5485684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3411409 + 1454436 = 1847^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 4865845 - 2⁷ = 4865717 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4865798 and 4865807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486580 + ... + 486589.

It is an arithmetic number, because the mean of its divisors is an integer number (1459755).

Almost surely, 2^4865845 is an apocalyptic number.

It is an amenable number.

4865845 is a deficient number, since it is larger than the sum of its proper divisors (973175).

4865845 is an equidigital number, since it uses as much as digits as its factorization.

4865845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973174.

The product of its digits is 153600, while the sum is 40.

The square root of 4865845 is about 2205.8660430770. The cubic root of 4865845 is about 169.4543636185.

The spelling of 4865845 in words is "four million, eight hundred sixty-five thousand, eight hundred forty-five".