2100835 has 8 divisors (see below), whose sum is σ = 2750256. Its totient is φ = 1527840.

The previous prime is 2100821. The next prime is 2100841. The reversal of 2100835 is 5380012.

2100835 = 80² + 81² + ... + 189².

It is a happy number.

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

It is not a de Polignac number, because 2100835 - 2⁵ = 2100803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19044 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (343782).

2^2100835 is an apocalyptic number.

2100835 is a deficient number, since it is larger than the sum of its proper divisors (649421).

2100835 is a wasteful number, since it uses less digits than its factorization.

2100835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38213.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2100835 is about 1449.4257483569. The cubic root of 2100835 is about 128.0748870053.

Adding to 2100835 its reverse (5380012), we get a palindrome (7480847).

The spelling of 2100835 in words is "two million, one hundred thousand, eight hundred thirty-five".