3684047 has 2 divisors, whose sum is σ = 3684048. Its totient is φ = 3684046.

The previous prime is 3684041. The next prime is 3684059. The reversal of 3684047 is 7404863.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7404863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3684047 - 2¹⁸ = 3421903 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 (3684041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842023 + 1842024.

It is an arithmetic number, because the mean of its divisors is an integer number (1842024).

Almost surely, 2^3684047 is an apocalyptic number.

3684047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3684047 is an equidigital number, since it uses as much as digits as its factorization.

3684047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3684047 is about 1919.3871417721. The cubic root of 3684047 is about 154.4454271149.

The spelling of 3684047 in words is "three million, six hundred eighty-four thousand, forty-seven".