2112830 has 8 divisors (see below), whose sum is σ = 3803112. Its totient is φ = 845128.

The previous prime is 2112829. The next prime is 2112833. The reversal of 2112830 is 382112.

2112830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2112799 and 2112808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105632 + ... + 105651.

It is an arithmetic number, because the mean of its divisors is an integer number (475389).

2^2112830 is an apocalyptic number.

2112830 is a deficient number, since it is larger than the sum of its proper divisors (1690282).

2112830 is a wasteful number, since it uses less digits than its factorization.

2112830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211290.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2112830 is about 1453.5577043929. The cubic root of 2112830 is about 128.3181781545.

Adding to 2112830 its reverse (382112), we get a palindrome (2494942).

The spelling of 2112830 in words is "two million, one hundred twelve thousand, eight hundred thirty".