3687941 has 2 divisors, whose sum is σ = 3687942. Its totient is φ = 3687940.

The previous prime is 3687923. The next prime is 3687967. The reversal of 3687941 is 1497863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2356225 + 1331716 = 1535^2 + 1154^2 .

It is an emirp because it is prime and its reverse (1497863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3687941 - 2¹⁸ = 3425797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3687895 and 3687904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3687911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843970 + 1843971.

It is an arithmetic number, because the mean of its divisors is an integer number (1843971).

Almost surely, 2^3687941 is an apocalyptic number.

It is an amenable number.

3687941 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687941 is an equidigital number, since it uses as much as digits as its factorization.

3687941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 3687941 is about 1920.4012601537. The cubic root of 3687941 is about 154.4998236995.

The spelling of 3687941 in words is "three million, six hundred eighty-seven thousand, nine hundred forty-one".