3228289 has 4 divisors (see below), whose sum is σ = 3297024. Its totient is φ = 3159556.

The previous prime is 3228259. The next prime is 3228293. The reversal of 3228289 is 9828223.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3228289 - 2⁷ = 3228161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34297 + ... + 34390.

It is an arithmetic number, because the mean of its divisors is an integer number (824256).

Almost surely, 2^3228289 is an apocalyptic number.

It is an amenable number.

3228289 is a deficient number, since it is larger than the sum of its proper divisors (68735).

3228289 is an equidigital number, since it uses as much as digits as its factorization.

3228289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68734.

The product of its digits is 13824, while the sum is 34.

The square root of 3228289 is about 1796.7439995726. The cubic root of 3228289 is about 147.7942264507.

The spelling of 3228289 in words is "three million, two hundred twenty-eight thousand, two hundred eighty-nine".