3634065 has 28 divisors (see below), whose sum is σ = 6544884. Its totient is φ = 1936224.

The previous prime is 3634061. The next prime is 3634097. The reversal of 3634065 is 5604363.

It can be written as a sum of positive squares in 2 ways, for example, as 2286144 + 1347921 = 1512^2 + 1161^2 .

It is not a de Polignac number, because 3634065 - 2² = 3634061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3 + 6³ + 3⁴ + 4⁵ + 0 + 6⁸ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (3634061) 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 27 ways as a sum of consecutive naturals, for example, 3147 + ... + 4143.

Almost surely, 2^3634065 is an apocalyptic number.

It is an amenable number.

3634065 is a deficient number, since it is larger than the sum of its proper divisors (2910819).

3634065 is an frugal number, since it uses more digits than its factorization.

3634065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3634065 is about 1906.3223756752. The cubic root of 3634065 is about 153.7437832109.

The spelling of 3634065 in words is "three million, six hundred thirty-four thousand, sixty-five".