2196883728 has 120 divisors (see below), whose sum is σ = 6828476640. Its totient is φ = 675941760.

The previous prime is 2196883723. The next prime is 2196883739. The reversal of 2196883728 is 8273886912.

It is a happy number.

2196883728 is a `hidden beast` number, since 2 + 196 + 88 + 372 + 8 = 666.

It is a super-3 number, since 3×2196883728³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2196883723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57963 + ... + 88053.

It is an arithmetic number, because the mean of its divisors is an integer number (56903972).

Almost surely, 2^2196883728 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 2196883728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414238320).

2196883728 is an abundant number, since it is smaller than the sum of its proper divisors (4631592912).

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

2196883728 is a wasteful number, since it uses less digits than its factorization.

2196883728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30134 (or 30109 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 2196883728 is about 46870.9262549824. The cubic root of 2196883728 is about 1299.9770662621.

The spelling of 2196883728 in words is "two billion, one hundred ninety-six million, eight hundred eighty-three thousand, seven hundred twenty-eight".