3030820 has 24 divisors (see below), whose sum is σ = 6854904. Its totient is φ = 1118976.

The previous prime is 3030817. The next prime is 3030821. The reversal of 3030820 is 280303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 2849344 = 426^2 + 1688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3030794 and 3030803.

It is not an unprimeable number, because it can be changed into a prime (3030821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569 + ... + 6088.

It is an arithmetic number, because the mean of its divisors is an integer number (285621).

Almost surely, 2^3030820 is an apocalyptic number.

It is an amenable number.

3030820 is an abundant number, since it is smaller than the sum of its proper divisors (3824084).

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

3030820 is a wasteful number, since it uses less digits than its factorization.

3030820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679 (or 11677 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3030820 is about 1740.9250414650. The cubic root of 3030820 is about 144.7171656708.

The spelling of 3030820 in words is "three million, thirty thousand, eight hundred twenty".