2117896244 has 24 divisors (see below), whose sum is σ = 3927756168. Its totient is φ = 995788800.

The previous prime is 2117896229. The next prime is 2117896247. The reversal of 2117896244 is 4426987112.

It can be written as a sum of positive squares in 4 ways, for example, as 792100 + 2117104144 = 890^2 + 46012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2117896195 and 2117896204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117896247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68702 + ... + 94634.

It is an arithmetic number, because the mean of its divisors is an integer number (163656507).

Almost surely, 2^2117896244 is an apocalyptic number.

It is an amenable number.

2117896244 is a deficient number, since it is larger than the sum of its proper divisors (1809859924).

2117896244 is a wasteful number, since it uses less digits than its factorization.

2117896244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155 (or 27153 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 2117896244 is about 46020.6067322020. The cubic root of 2117896244 is about 1284.2065875869.

The spelling of 2117896244 in words is "two billion, one hundred seventeen million, eight hundred ninety-six thousand, two hundred forty-four".