4065655 has 16 divisors (see below), whose sum is σ = 5508000. Its totient is φ = 2853760.

The previous prime is 4065653. The next prime is 4065661. The reversal of 4065655 is 5565604.

It is not a de Polignac number, because 4065655 - 2¹ = 4065653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065653) 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, 321 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (344250).

Almost surely, 2^4065655 is an apocalyptic number.

4065655 is a deficient number, since it is larger than the sum of its proper divisors (1442345).

4065655 is a wasteful number, since it uses less digits than its factorization.

4065655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 4065655 is about 2016.3469443526. The cubic root of 4065655 is about 159.6039030417.

The spelling of 4065655 in words is "four million, sixty-five thousand, six hundred fifty-five".