3671309 has 2 divisors, whose sum is σ = 3671310. Its totient is φ = 3671308.

The previous prime is 3671281. The next prime is 3671321. The reversal of 3671309 is 9031763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2815684 + 855625 = 1678^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 3671309 - 2²⁰ = 2622733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3679309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835654 + 1835655.

It is an arithmetic number, because the mean of its divisors is an integer number (1835655).

Almost surely, 2^3671309 is an apocalyptic number.

It is an amenable number.

3671309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3671309 is an equidigital number, since it uses as much as digits as its factorization.

3671309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3671309 is about 1916.0660218270. The cubic root of 3671309 is about 154.2672175144.

The spelling of 3671309 in words is "three million, six hundred seventy-one thousand, three hundred nine".