3630965 has 12 divisors (see below), whose sum is σ = 4719204. Its totient is φ = 2680704.

The previous prime is 3630961. The next prime is 3630967. The reversal of 3630965 is 5690363.

It can be written as a sum of positive squares in 6 ways, for example, as 669124 + 2961841 = 818^2 + 1721^2 .

It is not a de Polignac number, because 3630965 - 2² = 3630961 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (393267).

Almost surely, 2^3630965 is an apocalyptic number.

It is an amenable number.

3630965 is a deficient number, since it is larger than the sum of its proper divisors (1088239).

3630965 is a wasteful number, since it uses less digits than its factorization.

3630965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4315 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 3630965 is about 1905.5091183198. The cubic root of 3630965 is about 153.7000542817.

The spelling of 3630965 in words is "three million, six hundred thirty thousand, nine hundred sixty-five".