3656065 has 8 divisors (see below), whose sum is σ = 5014080. Its totient is φ = 2506992.

The previous prime is 3656039. The next prime is 3656069. The reversal of 3656065 is 5606563.

It is a happy number.

3656065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3656065 - 2⁵ = 3656033 is a prime.

It is a super-2 number, since 2×3656065² = 26733622568450, which contains 22 as substring.

3656065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3656069) 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 7 ways as a sum of consecutive naturals, for example, 52195 + ... + 52264.

It is an arithmetic number, because the mean of its divisors is an integer number (626760).

Almost surely, 2^3656065 is an apocalyptic number.

3656065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3656065 is a deficient number, since it is larger than the sum of its proper divisors (1358015).

3656065 is a wasteful number, since it uses less digits than its factorization.

3656065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104471.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 3656065 is about 1912.0839416720. The cubic root of 3656065 is about 154.0534053264.

The spelling of 3656065 in words is "three million, six hundred fifty-six thousand, sixty-five".