4665665 has 16 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 3444672.

The previous prime is 4665653. The next prime is 4665673. The reversal of 4665665 is 5665664.

It is a cyclic number.

It is not a de Polignac number, because 4665665 - 2¹⁰ = 4664641 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2636 + ... + 4034.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^4665665 is an apocalyptic number.

It is an amenable number.

4665665 is a deficient number, since it is larger than the sum of its proper divisors (1382335).

4665665 is a wasteful number, since it uses less digits than its factorization.

4665665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its digits is 129600, while the sum is 38.

The square root of 4665665 is about 2160.0150462439. The cubic root of 4665665 is about 167.0979739922.

Subtracting 4665665 from its reverse (5665664), we obtain a palindrome (999999).

The spelling of 4665665 in words is "four million, six hundred sixty-five thousand, six hundred sixty-five".