2100846 has 32 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 629280.

The previous prime is 2100841. The next prime is 2100859. The reversal of 2100846 is 6480012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100841) 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, 9060 + ... + 9288.

It is an arithmetic number, because the mean of its divisors is an integer number (144900).

2^2100846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318400).

2100846 is an abundant number, since it is smaller than the sum of its proper divisors (2535954).

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

2100846 is a wasteful number, since it uses less digits than its factorization.

2100846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2100846 is about 1449.4295429582. The cubic root of 2100846 is about 128.0751105388.

Adding to 2100846 its reverse (6480012), we get a palindrome (8580858).

The spelling of 2100846 in words is "two million, one hundred thousand, eight hundred forty-six".