4865865 has 8 divisors (see below), whose sum is σ = 7785408. Its totient is φ = 2595120.

The previous prime is 4865849. The next prime is 4865891. The reversal of 4865865 is 5685684.

4865865 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4865865 - 2⁴ = 4865849 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162181 + ... + 162210.

It is an arithmetic number, because the mean of its divisors is an integer number (973176).

Almost surely, 2^4865865 is an apocalyptic number.

It is an amenable number.

4865865 is a deficient number, since it is larger than the sum of its proper divisors (2919543).

4865865 is a wasteful number, since it uses less digits than its factorization.

4865865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324399.

The product of its digits is 230400, while the sum is 42.

The square root of 4865865 is about 2205.8705764392. The cubic root of 4865865 is about 169.4545957867.

It can be divided in two parts, 486586 and 5, that added together give a triangular number (486591 = T₉₈₆).

The spelling of 4865865 in words is "four million, eight hundred sixty-five thousand, eight hundred sixty-five".