3328145 has 4 divisors (see below), whose sum is σ = 3993780. Its totient is φ = 2662512.

The previous prime is 3328139. The next prime is 3328153. The reversal of 3328145 is 5418233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 410881 + 2917264 = 641^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 3328145 - 2¹² = 3324049 is a prime.

It is a super-2 number, since 2×3328145² = 22153098282050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332810 + ... + 332819.

It is an arithmetic number, because the mean of its divisors is an integer number (998445).

Almost surely, 2^3328145 is an apocalyptic number.

It is an amenable number.

3328145 is a deficient number, since it is larger than the sum of its proper divisors (665635).

3328145 is an equidigital number, since it uses as much as digits as its factorization.

3328145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665634.

The product of its digits is 2880, while the sum is 26.

The square root of 3328145 is about 1824.3204214172. The cubic root of 3328145 is about 149.3026145670.

The spelling of 3328145 in words is "three million, three hundred twenty-eight thousand, one hundred forty-five".