3289321 has 6 divisors (see below), whose sum is σ = 3826410. Its totient is φ = 2819376.

The previous prime is 3289291. The next prime is 3289327. The reversal of 3289321 is 1239823.

It can be written as a sum of positive squares in only one way, i.e., 3013696 + 275625 = 1736^2 + 525^2 .

It is not a de Polignac number, because 3289321 - 2¹⁵ = 3256553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3289321.

It is not an unprimeable number, because it can be changed into a prime (3289327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33516 + ... + 33613.

It is an arithmetic number, because the mean of its divisors is an integer number (637735).

Almost surely, 2^3289321 is an apocalyptic number.

It is an amenable number.

3289321 is a deficient number, since it is larger than the sum of its proper divisors (537089).

3289321 is an equidigital number, since it uses as much as digits as its factorization.

3289321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67143 (or 67136 counting only the distinct ones).

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

The square root of 3289321 is about 1813.6485326545. The cubic root of 3289321 is about 148.7197862510.

The spelling of 3289321 in words is "three million, two hundred eighty-nine thousand, three hundred twenty-one".