3328081 has 4 divisors (see below), whose sum is σ = 3334500. Its totient is φ = 3321664.

The previous prime is 3328063. The next prime is 3328111. The reversal of 3328081 is 1808233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1808233 = 7 ⋅258319.

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 2509056 = 905^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 3328081 - 2⁵ = 3328049 is a prime.

It is a super-2 number, since 2×3328081² = 22152246285122, which contains 22 as substring.

It is a Duffinian number.

3328081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3320081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356 + ... + 3493.

It is an arithmetic number, because the mean of its divisors is an integer number (833625).

Almost surely, 2^3328081 is an apocalyptic number.

It is an amenable number.

3328081 is a deficient number, since it is larger than the sum of its proper divisors (6419).

3328081 is an equidigital number, since it uses as much as digits as its factorization.

3328081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3328081 is about 1824.3028805547. The cubic root of 3328081 is about 149.3016575345.

Adding to 3328081 its product of nonzero digits (1152), we get a palindrome (3329233).

The spelling of 3328081 in words is "three million, three hundred twenty-eight thousand, eighty-one".