2196288 has 112 divisors (see below), whose sum is σ = 6827520. Its totient is φ = 691200.

The previous prime is 2196287. The next prime is 2196289. The reversal of 2196288 is 8826912.

2196288 is a `hidden beast` number, since 21 + 9 + 628 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2196287) and next prime (2196289).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196287) 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, 53548 + ... + 53588.

It is an arithmetic number, because the mean of its divisors is an integer number (60960).

2^2196288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3413760).

2196288 is an abundant number, since it is smaller than the sum of its proper divisors (4631232).

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

2196288 is a wasteful number, since it uses less digits than its factorization.

2196288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 77 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2196288 is about 1481.9878542012. The cubic root of 2196288 is about 129.9859550902.

Adding to 2196288 its sum of digits (36), we get a square (2196324 = 1482²).

The spelling of 2196288 in words is "two million, one hundred ninety-six thousand, two hundred eighty-eight".