2189180 has 48 divisors (see below), whose sum is σ = 5537280. Its totient is φ = 710208.

The previous prime is 2189177. The next prime is 2189183. The reversal of 2189180 is 819812.

2189180 is digitally balanced in base 8, 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 (2189177) and next prime (2189183).

It is a super-3 number, since 3×2189180³ = 31474995033349896000, which contains 333 as substring.

2189180 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189183) 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, 2249 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (115360).

2^2189180 is an apocalyptic number.

2189180 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 2189180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2768640).

2189180 is an abundant number, since it is smaller than the sum of its proper divisors (3348100).

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

2189180 is a wasteful number, since it uses less digits than its factorization.

2189180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 2189180 is about 1479.5877804308. The cubic root of 2189180 is about 129.8455760048.

The spelling of 2189180 in words is "two million, one hundred eighty-nine thousand, one hundred eighty".