3689047 has 4 divisors (see below), whose sum is σ = 3692920. Its totient is φ = 3685176.

The previous prime is 3689009. The next prime is 3689069. The reversal of 3689047 is 7409863.

3689047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3689047 - 2¹¹ = 3686999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3688997 and 3689015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604 + ... + 2782.

It is an arithmetic number, because the mean of its divisors is an integer number (923230).

Almost surely, 2^3689047 is an apocalyptic number.

3689047 is a deficient number, since it is larger than the sum of its proper divisors (3873).

3689047 is a wasteful number, since it uses less digits than its factorization.

3689047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3689047 is about 1920.6891992199. The cubic root of 3689047 is about 154.5152667996.

The spelling of 3689047 in words is "three million, six hundred eighty-nine thousand, forty-seven".