3228405 has 16 divisors (see below), whose sum is σ = 5206464. Its totient is φ = 1708160.

The previous prime is 3228403. The next prime is 3228413. The reversal of 3228405 is 5048223.

3228405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3228405 - 2¹ = 3228403 is a prime.

3228405 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228403) 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 15 ways as a sum of consecutive naturals, for example, 1270 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (325404).

Almost surely, 2^3228405 is an apocalyptic number.

It is an amenable number.

3228405 is a deficient number, since it is larger than the sum of its proper divisors (1978059).

3228405 is a wasteful number, since it uses less digits than its factorization.

3228405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3228405 is about 1796.7762798969. The cubic root of 3228405 is about 147.7959966273.

The spelling of 3228405 in words is "three million, two hundred twenty-eight thousand, four hundred five".