2106903830 has 16 divisors (see below), whose sum is σ = 3827872080. Its totient is φ = 834884832.

The previous prime is 2106903829. The next prime is 2106903889. The reversal of 2106903830 is 383096012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983465 + ... + 985604.

It is an arithmetic number, because the mean of its divisors is an integer number (239242005).

Almost surely, 2^2106903830 is an apocalyptic number.

2106903830 is a deficient number, since it is larger than the sum of its proper divisors (1720968250).

2106903830 is a wasteful number, since it uses less digits than its factorization.

2106903830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969183.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2106903830 is about 45901.0221019097. The cubic root of 2106903830 is about 1281.9809475663.

Adding to 2106903830 its reverse (383096012), we get a palindrome (2489999842).

The spelling of 2106903830 in words is "two billion, one hundred six million, nine hundred three thousand, eight hundred thirty".