3328181 has 4 divisors (see below), whose sum is σ = 3334272. Its totient is φ = 3322092.

The previous prime is 3328177. The next prime is 3328201. The reversal of 3328181 is 1818233.

3328181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3328181 - 2² = 3328177 is a prime.

It is a super-2 number, since 2×3328181² = 22153577537522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3328181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3328111) 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 3 ways as a sum of consecutive naturals, for example, 2135 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (833568).

Almost surely, 2^3328181 is an apocalyptic number.

It is an amenable number.

3328181 is a deficient number, since it is larger than the sum of its proper divisors (6091).

3328181 is an equidigital number, since it uses as much as digits as its factorization.

3328181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090.

The product of its digits is 1152, while the sum is 26.

The square root of 3328181 is about 1824.3302880783. The cubic root of 3328181 is about 149.3031528924.

The spelling of 3328181 in words is "three million, three hundred twenty-eight thousand, one hundred eighty-one".