3228905 has 8 divisors (see below), whose sum is σ = 3888384. Its totient is φ = 2574000.

The previous prime is 3228899. The next prime is 3228937. The reversal of 3228905 is 5098223.

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

It is not a de Polignac number, because 3228905 - 2²⁰ = 2180329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (486048).

Almost surely, 2^3228905 is an apocalyptic number.

It is an amenable number.

3228905 is a deficient number, since it is larger than the sum of its proper divisors (659479).

3228905 is a wasteful number, since it uses less digits than its factorization.

3228905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3228905 is about 1796.9154125890. The cubic root of 3228905 is about 147.8036262136.

The spelling of 3228905 in words is "three million, two hundred twenty-eight thousand, nine hundred five".