3630217 has 6 divisors (see below), whose sum is σ = 3696522. Its totient is φ = 3564432.

The previous prime is 3630203. The next prime is 3630223. The reversal of 3630217 is 7120363.

3630217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3182656 + 447561 = 1784^2 + 669^2 .

It is not a de Polignac number, because 3630217 - 2¹¹ = 3628169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630227) 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 5 ways as a sum of consecutive naturals, for example, 16168 + ... + 16390.

It is an arithmetic number, because the mean of its divisors is an integer number (616087).

Almost surely, 2^3630217 is an apocalyptic number.

It is an amenable number.

3630217 is a deficient number, since it is larger than the sum of its proper divisors (66305).

3630217 is an frugal number, since it uses more digits than its factorization.

3630217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3630217 is about 1905.3128352058. The cubic root of 3630217 is about 153.6894991871.

The spelling of 3630217 in words is "three million, six hundred thirty thousand, two hundred seventeen".