2106886956 has 12 divisors (see below), whose sum is σ = 4916069592. Its totient is φ = 702295648.

The previous prime is 2106886949. The next prime is 2106886979. The reversal of 2106886956 is 6596886012.

2106886956 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2106886899 and 2106886908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87786945 + ... + 87786968.

It is an arithmetic number, because the mean of its divisors is an integer number (409672466).

Almost surely, 2^2106886956 is an apocalyptic number.

It is an amenable number.

2106886956 is an abundant number, since it is smaller than the sum of its proper divisors (2809182636).

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

2106886956 is a wasteful number, since it uses less digits than its factorization.

2106886956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175573920 (or 175573918 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 2106886956 is about 45900.8382929985. The cubic root of 2106886956 is about 1281.9775251345.

The spelling of 2106886956 in words is "two billion, one hundred six million, eight hundred eighty-six thousand, nine hundred fifty-six".