3694637 has 2 divisors, whose sum is σ = 3694638. Its totient is φ = 3694636.

The previous prime is 3694631. The next prime is 3694643. The reversal of 3694637 is 7364963.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3694631) and next prime (3694643).

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 137641 = 1886^2 + 371^2 .

It is an emirp because it is prime and its reverse (7364963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3694637 - 2⁶ = 3694573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3694637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3694631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847318 + 1847319.

It is an arithmetic number, because the mean of its divisors is an integer number (1847319).

Almost surely, 2^3694637 is an apocalyptic number.

It is an amenable number.

3694637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3694637 is an equidigital number, since it uses as much as digits as its factorization.

3694637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 3694637 is about 1922.1438551784. The cubic root of 3694637 is about 154.5932728929.

The spelling of 3694637 in words is "three million, six hundred ninety-four thousand, six hundred thirty-seven".