3431306 has 16 divisors (see below), whose sum is σ = 5355720. Its totient is φ = 1647360.

The previous prime is 3431287. The next prime is 3431317. The reversal of 3431306 is 6031343.

3431306 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 4 ways, for example, as 2805625 + 625681 = 1675^2 + 791^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6326 + ... + 6846.

Almost surely, 2^3431306 is an apocalyptic number.

3431306 is a deficient number, since it is larger than the sum of its proper divisors (1924414).

3431306 is a wasteful number, since it uses less digits than its factorization.

3431306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3431306 is about 1852.3784710474. The cubic root of 3431306 is about 150.8295666333.

Adding to 3431306 its reverse (6031343), we get a palindrome (9462649).

The spelling of 3431306 in words is "three million, four hundred thirty-one thousand, three hundred six".