3646065 has 16 divisors (see below), whose sum is σ = 6022656. Its totient is φ = 1881600.

The previous prime is 3646057. The next prime is 3646067. The reversal of 3646065 is 5606463.

It is not a de Polignac number, because 3646065 - 2³ = 3646057 is a prime.

3646065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3646067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3456 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (376416).

Almost surely, 2^3646065 is an apocalyptic number.

It is an amenable number.

3646065 is a deficient number, since it is larger than the sum of its proper divisors (2376591).

3646065 is a wasteful number, since it uses less digits than its factorization.

3646065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3646065 is about 1909.4672031747. The cubic root of 3646065 is about 153.9128224194.

The spelling of 3646065 in words is "three million, six hundred forty-six thousand, sixty-five".