3669217 has 2 divisors, whose sum is σ = 3669218. Its totient is φ = 3669216.

The previous prime is 3669187. The next prime is 3669221. The reversal of 3669217 is 7129663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3381921 + 287296 = 1839^2 + 536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3669217 is a prime.

It is not a weakly prime, because it can be changed into another prime (3669227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834608 + 1834609.

It is an arithmetic number, because the mean of its divisors is an integer number (1834609).

Almost surely, 2^3669217 is an apocalyptic number.

It is an amenable number.

3669217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3669217 is an equidigital number, since it uses as much as digits as its factorization.

3669217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 3669217 is about 1915.5200338289. The cubic root of 3669217 is about 154.2379102258.

The spelling of 3669217 in words is "three million, six hundred sixty-nine thousand, two hundred seventeen".