2106830 has 32 divisors (see below), whose sum is σ = 4199040. Its totient is φ = 754720.

The previous prime is 2106829. The next prime is 2106833. The reversal of 2106830 is 386012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106833) 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, 11681 + ... + 11859.

It is an arithmetic number, because the mean of its divisors is an integer number (131220).

2^2106830 is an apocalyptic number.

2106830 is a deficient number, since it is larger than the sum of its proper divisors (2092210).

2106830 is a wasteful number, since it uses less digits than its factorization.

2106830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2106830 is about 1451.4923354947. The cubic root of 2106830 is about 128.1965973024.

The spelling of 2106830 in words is "two million, one hundred six thousand, eight hundred thirty".