3213289 has 4 divisors (see below), whose sum is σ = 3402324. Its totient is φ = 3024256.

The previous prime is 3213283. The next prime is 3213349. The reversal of 3213289 is 9823123.

3213289 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 an emirpimes, since its reverse is a distinct semiprime: 9823123 = 149 ⋅65927.

It can be written as a sum of positive squares in 2 ways, for example, as 2433600 + 779689 = 1560^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213289 - 2³ = 3213281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213281) 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, 94492 + ... + 94525.

It is an arithmetic number, because the mean of its divisors is an integer number (850581).

Almost surely, 2^3213289 is an apocalyptic number.

It is an amenable number.

3213289 is a deficient number, since it is larger than the sum of its proper divisors (189035).

3213289 is a wasteful number, since it uses less digits than its factorization.

3213289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189034.

The product of its digits is 2592, while the sum is 28.

The square root of 3213289 is about 1792.5649221158. The cubic root of 3213289 is about 147.5649661149.

The spelling of 3213289 in words is "three million, two hundred thirteen thousand, two hundred eighty-nine".