3228040 has 16 divisors (see below), whose sum is σ = 7263180. Its totient is φ = 1291200.

The previous prime is 3228037. The next prime is 3228041. The reversal of 3228040 is 408223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3218436 + 9604 = 1794^2 + 98^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3227999 and 3228017.

It is not an unprimeable number, because it can be changed into a prime (3228041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40311 + ... + 40390.

Almost surely, 2^3228040 is an apocalyptic number.

It is an amenable number.

3228040 is an abundant number, since it is smaller than the sum of its proper divisors (4035140).

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

3228040 is a wasteful number, since it uses less digits than its factorization.

3228040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80712 (or 80708 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3228040 is about 1796.6747062281. The cubic root of 3228040 is about 147.7904265319.

The spelling of 3228040 in words is "three million, two hundred twenty-eight thousand, forty".