2872180 has 12 divisors (see below), whose sum is σ = 6031620. Its totient is φ = 1148864.

The previous prime is 2872153. The next prime is 2872183. The reversal of 2872180 is 812782.

It can be written as a sum of positive squares in 2 ways, for example, as 763876 + 2108304 = 874^2 + 1452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71785 + ... + 71824.

It is an arithmetic number, because the mean of its divisors is an integer number (502635).

2^2872180 is an apocalyptic number.

2872180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2872180 is an abundant number, since it is smaller than the sum of its proper divisors (3159440).

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

2872180 is a wasteful number, since it uses less digits than its factorization.

2872180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143618 (or 143616 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2872180 is about 1694.7507191325. The cubic root of 2872180 is about 142.1468427409.

The spelling of 2872180 in words is "two million, eight hundred seventy-two thousand, one hundred eighty".