3228340 has 48 divisors (see below), whose sum is σ = 7225344. Its totient is φ = 1209600.

The previous prime is 3228293. The next prime is 3228341. The reversal of 3228340 is 438223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25357 + ... + 25483.

It is an arithmetic number, because the mean of its divisors is an integer number (150528).

Almost surely, 2^3228340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3228340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3612672).

3228340 is an abundant number, since it is smaller than the sum of its proper divisors (3997004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3228340 is a wasteful number, since it uses less digits than its factorization.

3228340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3228340 is about 1796.7581918555. The cubic root of 3228340 is about 147.7950047233.

It can be divided in two parts, 32283 and 40, that added together give a palindrome (32323).

The spelling of 3228340 in words is "three million, two hundred twenty-eight thousand, three hundred forty".