3689797 has 2 divisors, whose sum is σ = 3689798. Its totient is φ = 3689796.

The previous prime is 3689779. The next prime is 3689809. The reversal of 3689797 is 7979863.

Together with previous prime (3689779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 417316 = 1809^2 + 646^2 .

It is an emirp because it is prime and its reverse (7979863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3689797 - 2⁷ = 3689669 is a prime.

It is a super-2 number, since 2×3689797² = 27229203802418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3689797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3689717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844898 + 1844899.

It is an arithmetic number, because the mean of its divisors is an integer number (1844899).

Almost surely, 2^3689797 is an apocalyptic number.

It is an amenable number.

3689797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689797 is an equidigital number, since it uses as much as digits as its factorization.

3689797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 3689797 is about 1920.8844317137. The cubic root of 3689797 is about 154.5257373084.

The spelling of 3689797 in words is "three million, six hundred eighty-nine thousand, seven hundred ninety-seven".