3320289 has 18 divisors (see below), whose sum is σ = 5579730. Its totient is φ = 1897056.

The previous prime is 3320281. The next prime is 3320299. The reversal of 3320289 is 9820233.

3320289 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 only one way, i.e., 2614689 + 705600 = 1617^2 + 840^2 .

It is not a de Polignac number, because 3320289 - 2³ = 3320281 is a prime.

It is a super-2 number, since 2×3320289² = 22048638087042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3320281) 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 17 ways as a sum of consecutive naturals, for example, 3324 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (309985).

Almost surely, 2^3320289 is an apocalyptic number.

It is an amenable number.

3320289 is a deficient number, since it is larger than the sum of its proper divisors (2259441).

3320289 is a wasteful number, since it uses less digits than its factorization.

3320289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549 (or 7539 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3320289 is about 1822.1660187809. The cubic root of 3320289 is about 149.1850470296.

The spelling of 3320289 in words is "three million, three hundred twenty thousand, two hundred eighty-nine".