2818180 has 12 divisors (see below), whose sum is σ = 5918220. Its totient is φ = 1127264.

The previous prime is 2818171. The next prime is 2818181. The reversal of 2818180 is 818182.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 1435204 = 1176^2 + 1198^2 .

It is not an unprimeable number, because it can be changed into a prime (2818181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70435 + ... + 70474.

It is an arithmetic number, because the mean of its divisors is an integer number (493185).

2^2818180 is an apocalyptic number.

2818180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818180 is an abundant number, since it is smaller than the sum of its proper divisors (3100040).

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

2818180 is a wasteful number, since it uses less digits than its factorization.

2818180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140918 (or 140916 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 2818180 is about 1678.7435777986. The cubic root of 2818180 is about 141.2503641623.

The spelling of 2818180 in words is "two million, eight hundred eighteen thousand, one hundred eighty".