4635865 has 16 divisors (see below), whose sum is σ = 6079248. Its totient is φ = 3373056.

The previous prime is 4635863. The next prime is 4635871. The reversal of 4635865 is 5685364.

It can be written as a sum of positive squares in 8 ways, for example, as 4761 + 4631104 = 69^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 4635865 - 2¹ = 4635863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4635863) 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 15 ways as a sum of consecutive naturals, for example, 4257 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (379953).

Almost surely, 2^4635865 is an apocalyptic number.

It is an amenable number.

4635865 is a deficient number, since it is larger than the sum of its proper divisors (1443383).

4635865 is a wasteful number, since it uses less digits than its factorization.

4635865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its digits is 86400, while the sum is 37.

The square root of 4635865 is about 2153.1058961417. The cubic root of 4635865 is about 166.7414575440.

It can be divided in two parts, 463 and 5865, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 4635865 in words is "four million, six hundred thirty-five thousand, eight hundred sixty-five".