3016820 has 48 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 1073664.

The previous prime is 3016817. The next prime is 3016823. The reversal of 3016820 is 286103.

3016820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3016817) and next prime (3016823).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3016792 and 3016801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3016823) 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, 6227 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

Almost surely, 2^3016820 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 3016820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3538080).

3016820 is an abundant number, since it is smaller than the sum of its proper divisors (4059340).

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

3016820 is a wasteful number, since it uses less digits than its factorization.

3016820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3016820 is about 1736.8995365305. The cubic root of 3016820 is about 144.4939952726.

The spelling of 3016820 in words is "three million, sixteen thousand, eight hundred twenty".