3689533 has 4 divisors (see below), whose sum is σ = 3693600. Its totient is φ = 3685468.

The previous prime is 3689519. The next prime is 3689551. The reversal of 3689533 is 3359863.

3689533 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 Blum integer, because the two primes are equal to 3 mod 4, 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 3689533 - 2⁵ = 3689501 is a prime.

It is a super-2 number, since 2×3689533² = 27225307516178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3689492 and 3689501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689503) 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, 18 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 2^3689533 is an apocalyptic number.

It is an amenable number.

3689533 is a deficient number, since it is larger than the sum of its proper divisors (4067).

3689533 is a wasteful number, since it uses less digits than its factorization.

3689533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066.

The product of its digits is 58320, while the sum is 37.

The square root of 3689533 is about 1920.8157121390. The cubic root of 3689533 is about 154.5220518511.

The spelling of 3689533 in words is "three million, six hundred eighty-nine thousand, five hundred thirty-three".