2028830609 has 32 divisors (see below), whose sum is σ = 2360171520. Its totient is φ = 1727308800.

The previous prime is 2028830603. The next prime is 2028830611. The reversal of 2028830609 is 9060388202.

It is a happy number.

It is not a de Polignac number, because 2028830609 - 2¹⁶ = 2028765073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028830603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3749879 + ... + 3750419.

It is an arithmetic number, because the mean of its divisors is an integer number (73755360).

Almost surely, 2^2028830609 is an apocalyptic number.

It is an amenable number.

2028830609 is a deficient number, since it is larger than the sum of its proper divisors (331340911).

2028830609 is a wasteful number, since it uses less digits than its factorization.

2028830609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2028830609 is about 45042.5422128902. The cubic root of 2028830609 is about 1265.9462388583.

The spelling of 2028830609 in words is "two billion, twenty-eight million, eight hundred thirty thousand, six hundred nine".