2851080 has 64 divisors (see below), whose sum is σ = 8933760. Its totient is φ = 726528.

The previous prime is 2851061. The next prime is 2851081. The reversal of 2851080 is 801582.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2851080.

It is not an unprimeable number, because it can be changed into a prime (2851081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244 + ... + 3276.

It is an arithmetic number, because the mean of its divisors is an integer number (139590).

2^2851080 is an apocalyptic number.

2851080 is a gapful number since it is divisible by the number (20) 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 2851080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4466880).

2851080 is an abundant number, since it is smaller than the sum of its proper divisors (6082680).

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

2851080 is a wasteful number, since it uses less digits than its factorization.

2851080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 2851080 is about 1688.5141397098. The cubic root of 2851080 is about 141.7979006919.

The spelling of 2851080 in words is "two million, eight hundred fifty-one thousand, eighty".