3646165 has 8 divisors (see below), whose sum is σ = 4493880. Its totient is φ = 2837952.

The previous prime is 3646129. The next prime is 3646183. The reversal of 3646165 is 5616463.

It can be written as a sum of positive squares in 4 ways, for example, as 1012036 + 2634129 = 1006^2 + 1623^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3646165 - 2⁷ = 3646037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9670 + ... + 10039.

It is an arithmetic number, because the mean of its divisors is an integer number (561735).

Almost surely, 2^3646165 is an apocalyptic number.

It is an amenable number.

3646165 is a deficient number, since it is larger than the sum of its proper divisors (847715).

3646165 is a wasteful number, since it uses less digits than its factorization.

3646165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19751.

The product of its digits is 12960, while the sum is 31.

The square root of 3646165 is about 1909.4933883101. The cubic root of 3646165 is about 153.9142295201.

The spelling of 3646165 in words is "three million, six hundred forty-six thousand, one hundred sixty-five".