2187200 has 42 divisors (see below), whose sum is σ = 5385816. Its totient is φ = 874240.

The previous prime is 2187197. The next prime is 2187217. The reversal of 2187200 is 27812.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 917 + ... + 2283.

2^2187200 is an apocalyptic number.

2187200 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 2187200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692908).

2187200 is an abundant number, since it is smaller than the sum of its proper divisors (3198616).

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

2187200 is a wasteful number, since it uses less digits than its factorization.

2187200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2187200 is about 1478.9185237869. The cubic root of 2187200 is about 129.8064179960.

The spelling of 2187200 in words is "two million, one hundred eighty-seven thousand, two hundred".