4536665 has 12 divisors (see below), whose sum is σ = 6333156. Its totient is φ = 3110688.

The previous prime is 4536647. The next prime is 4536667. The reversal of 4536665 is 5666354.

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 3087049 = 1204^2 + 1757^2 .

It is not a de Polignac number, because 4536665 - 2⁶ = 4536601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4536667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9014 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (527763).

Almost surely, 2^4536665 is an apocalyptic number.

It is an amenable number.

4536665 is a deficient number, since it is larger than the sum of its proper divisors (1796491).

4536665 is a wasteful number, since it uses less digits than its factorization.

4536665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18536 (or 18529 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 4536665 is about 2129.9448349664. The cubic root of 4536665 is about 165.5435396258.

The spelling of 4536665 in words is "four million, five hundred thirty-six thousand, six hundred sixty-five".