3686029 has 2 divisors, whose sum is σ = 3686030. Its totient is φ = 3686028.

The previous prime is 3686027. The next prime is 3686063. The reversal of 3686029 is 9206863.

It is a happy number.

It is an a-pointer prime, because the next prime (3686063) can be obtained adding 3686029 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 348100 = 1827^2 + 590^2 .

It is an emirp because it is prime and its reverse (9206863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3686029 - 2¹ = 3686027 is a prime.

Together with 3686027, it forms a pair of twin primes.

3686029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3685985 and 3686003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3686027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843014 + 1843015.

It is an arithmetic number, because the mean of its divisors is an integer number (1843015).

Almost surely, 2^3686029 is an apocalyptic number.

It is an amenable number.

3686029 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686029 is an equidigital number, since it uses as much as digits as its factorization.

3686029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3686029 is about 1919.9033829857. The cubic root of 3686029 is about 154.4731191211.

The spelling of 3686029 in words is "three million, six hundred eighty-six thousand, twenty-nine".