2196180 has 144 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 495936.

The previous prime is 2196167. The next prime is 2196197. The reversal of 2196180 is 816912.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26419 + ... + 26501.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2^2196180 is an apocalyptic number.

2196180 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 2196180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021920).

2196180 is an abundant number, since it is smaller than the sum of its proper divisors (5847660).

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

2196180 is a wasteful number, since it uses less digits than its factorization.

2196180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2196180 is about 1481.9514162077. The cubic root of 2196180 is about 129.9838244174.

The spelling of 2196180 in words is "two million, one hundred ninety-six thousand, one hundred eighty".