3689559 has 6 divisors (see below), whose sum is σ = 5329376. Its totient is φ = 2459700.

The previous prime is 3689551. The next prime is 3689573. The reversal of 3689559 is 9559863.

3689559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3689559 - 2³ = 3689551 is a prime.

It is a super-2 number, since 2×3689559² = 27225691228962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689551) 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 5 ways as a sum of consecutive naturals, for example, 204967 + ... + 204984.

Almost surely, 2^3689559 is an apocalyptic number.

3689559 is a deficient number, since it is larger than the sum of its proper divisors (1639817).

3689559 is a wasteful number, since it uses less digits than its factorization.

3689559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409957 (or 409954 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 3689559 is about 1920.8224800850. The cubic root of 3689559 is about 154.5224148206.

The spelling of 3689559 in words is "three million, six hundred eighty-nine thousand, five hundred fifty-nine".