4642865 has 8 divisors (see below), whose sum is σ = 5596008. Its totient is φ = 3697920.

The previous prime is 4642843. The next prime is 4642867. The reversal of 4642865 is 5682464.

It can be written as a sum of positive squares in 4 ways, for example, as 2380849 + 2262016 = 1543^2 + 1504^2 .

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

It is not a de Polignac number, because 4642865 - 2⁸ = 4642609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4642867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (699501).

Almost surely, 2^4642865 is an apocalyptic number.

It is an amenable number.

4642865 is a deficient number, since it is larger than the sum of its proper divisors (953143).

4642865 is a wasteful number, since it uses less digits than its factorization.

4642865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099.

The product of its digits is 46080, while the sum is 35.

The square root of 4642865 is about 2154.7308416598. The cubic root of 4642865 is about 166.8253399998.

The spelling of 4642865 in words is "four million, six hundred forty-two thousand, eight hundred sixty-five".