3691307 has 2 divisors, whose sum is σ = 3691308. Its totient is φ = 3691306.

The previous prime is 3691283. The next prime is 3691309. The reversal of 3691307 is 7031963.

3691307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3691307 is a prime.

Together with 3691309, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3691307.

It is not a weakly prime, because it can be changed into another prime (3691309) 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 as a sum of consecutive naturals, namely, 1845653 + 1845654.

It is an arithmetic number, because the mean of its divisors is an integer number (1845654).

Almost surely, 2^3691307 is an apocalyptic number.

3691307 is a deficient number, since it is larger than the sum of its proper divisors (1).

3691307 is an equidigital number, since it uses as much as digits as its factorization.

3691307 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3691307 is about 1921.2774396219. The cubic root of 3691307 is about 154.5468136297.

The spelling of 3691307 in words is "three million, six hundred ninety-one thousand, three hundred seven".