3689231 has 16 divisors (see below), whose sum is σ = 4612608. Its totient is φ = 2872800.

The previous prime is 3689209. The next prime is 3689237. The reversal of 3689231 is 1329863.

3689231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3689231 is a prime.

It is a super-2 number, since 2×3689231² = 27220850742722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689237) 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 15 ways as a sum of consecutive naturals, for example, 6176 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

Almost surely, 2^3689231 is an apocalyptic number.

3689231 is a deficient number, since it is larger than the sum of its proper divisors (923377).

3689231 is a wasteful number, since it uses less digits than its factorization.

3689231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 7776, while the sum is 32.

The square root of 3689231 is about 1920.7370980954. The cubic root of 3689231 is about 154.5178356957.

The spelling of 3689231 in words is "three million, six hundred eighty-nine thousand, two hundred thirty-one".