2109387196 has 48 divisors (see below), whose sum is σ = 4269146112. Its totient is φ = 893289600.

The previous prime is 2109387191. The next prime is 2109387199. The reversal of 2109387196 is 6917839012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109387191) 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, 998181 + ... + 1000291.

It is an arithmetic number, because the mean of its divisors is an integer number (88940544).

Almost surely, 2^2109387196 is an apocalyptic number.

It is an amenable number.

2109387196 is an abundant number, since it is smaller than the sum of its proper divisors (2159758916).

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

2109387196 is a wasteful number, since it uses less digits than its factorization.

2109387196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2109387196 is about 45928.0654502234. The cubic root of 2109387196 is about 1282.4844316907.

The spelling of 2109387196 in words is "two billion, one hundred nine million, three hundred eighty-seven thousand, one hundred ninety-six".