3050820 has 72 divisors (see below), whose sum is σ = 9808344. Its totient is φ = 764928.

The previous prime is 3050813. The next prime is 3050821. The reversal of 3050820 is 280503.

It can be written as a sum of positive squares in 4 ways, for example, as 1179396 + 1871424 = 1086^2 + 1368^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3050793 and 3050802.

It is not an unprimeable number, because it can be changed into a prime (3050821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2562 + ... + 3558.

It is an arithmetic number, because the mean of its divisors is an integer number (136227).

Almost surely, 2^3050820 is an apocalyptic number.

3050820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3050820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4904172).

3050820 is an abundant number, since it is smaller than the sum of its proper divisors (6757524).

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

3050820 is a wasteful number, since it uses less digits than its factorization.

3050820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3050820 is about 1746.6596691972. The cubic root of 3050820 is about 145.0347914929.

The spelling of 3050820 in words is "three million, fifty thousand, eight hundred twenty".