2890869806 has 12 divisors (see below), whose sum is σ = 4766351856. Its totient is φ = 1314031620.

The previous prime is 2890869763. The next prime is 2890869809. The reversal of 2890869806 is 6089680982.

2890869806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890869809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5972630 + ... + 5973113.

It is an arithmetic number, because the mean of its divisors is an integer number (397195988).

Almost surely, 2^2890869806 is an apocalyptic number.

2890869806 is a deficient number, since it is larger than the sum of its proper divisors (1875482050).

2890869806 is a wasteful number, since it uses less digits than its factorization.

2890869806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11945767 (or 11945756 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 2890869806 is about 53766.8095203723. The cubic root of 2890869806 is about 1424.5450162923.

It can be divided in two parts, 289086 and 9806, that added together give a palindrome (298892).

The spelling of 2890869806 in words is "two billion, eight hundred ninety million, eight hundred sixty-nine thousand, eight hundred six".