3686957 has 2 divisors, whose sum is σ = 3686958. Its totient is φ = 3686956.

The previous prime is 3686953. The next prime is 3686971. The reversal of 3686957 is 7596863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 1394761 = 1514^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 3686957 - 2² = 3686953 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3686951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843478 + 1843479.

It is an arithmetic number, because the mean of its divisors is an integer number (1843479).

Almost surely, 2^3686957 is an apocalyptic number.

It is an amenable number.

3686957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686957 is an equidigital number, since it uses as much as digits as its factorization.

3686957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 3686957 is about 1920.1450466046. The cubic root of 3686957 is about 154.4860814921.

The spelling of 3686957 in words is "three million, six hundred eighty-six thousand, nine hundred fifty-seven".