3239689 has 6 divisors (see below), whose sum is σ = 3284510. Its totient is φ = 3195456.

The previous prime is 3239681. The next prime is 3239693. The reversal of 3239689 is 9869323.

3239689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 291600 + 2948089 = 540^2 + 1717^2 .

It is not a de Polignac number, because 3239689 - 2³ = 3239681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3239681) 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, 7717 + ... + 8125.

Almost surely, 2^3239689 is an apocalyptic number.

It is an amenable number.

3239689 is a deficient number, since it is larger than the sum of its proper divisors (44821).

3239689 is an frugal number, since it uses more digits than its factorization.

3239689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 498 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 3239689 is about 1799.9136090379. The cubic root of 3239689 is about 147.9679897901.

The spelling of 3239689 in words is "three million, two hundred thirty-nine thousand, six hundred eighty-nine".