3688171 has 2 divisors, whose sum is σ = 3688172. Its totient is φ = 3688170.

The previous prime is 3688151. The next prime is 3688189. The reversal of 3688171 is 1718863.

It is a strong prime.

It is an emirp because it is prime and its reverse (1718863) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3688171 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3688141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844085 + 1844086.

It is an arithmetic number, because the mean of its divisors is an integer number (1844086).

Almost surely, 2^3688171 is an apocalyptic number.

3688171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688171 is an equidigital number, since it uses as much as digits as its factorization.

3688171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 3688171 is about 1920.4611425384. The cubic root of 3688171 is about 154.5030354483.

The spelling of 3688171 in words is "three million, six hundred eighty-eight thousand, one hundred seventy-one".