3320945 has 8 divisors (see below), whose sum is σ = 3994920. Its totient is φ = 2650240.

The previous prime is 3320939. The next prime is 3320969. The reversal of 3320945 is 5490233.

3320945 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 552049 + 2768896 = 743^2 + 1664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3320945 - 2⁶ = 3320881 is a prime.

It is a super-2 number, since 2×3320945² = 22057351386050, which contains 22 as substring.

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, 3635 + ... + 4455.

It is an arithmetic number, because the mean of its divisors is an integer number (499365).

Almost surely, 2^3320945 is an apocalyptic number.

It is an amenable number.

3320945 is a deficient number, since it is larger than the sum of its proper divisors (673975).

3320945 is an equidigital number, since it uses as much as digits as its factorization.

3320945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3320945 is about 1822.3460154427. The cubic root of 3320945 is about 149.1948713698.

The spelling of 3320945 in words is "three million, three hundred twenty thousand, nine hundred forty-five".