3228730 has 32 divisors (see below), whose sum is σ = 6071040. Its totient is φ = 1235520.

The previous prime is 3228713. The next prime is 3228733. The reversal of 3228730 is 378223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3228695 and 3228704.

It is not an unprimeable number, because it can be changed into a prime (3228733) 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, 40831 + ... + 40909.

It is an arithmetic number, because the mean of its divisors is an integer number (189720).

Almost surely, 2^3228730 is an apocalyptic number.

3228730 is a deficient number, since it is larger than the sum of its proper divisors (2842310).

3228730 is a wasteful number, since it uses less digits than its factorization.

3228730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3228730 is about 1796.8667173722. The cubic root of 3228730 is about 147.8009559480.

The spelling of 3228730 in words is "three million, two hundred twenty-eight thousand, seven hundred thirty".