2081835 has 32 divisors (see below), whose sum is σ = 4231680. Its totient is φ = 951264.

The previous prime is 2081831. The next prime is 2081843. The reversal of 2081835 is 5381802.

It is a happy number.

It is not a de Polignac number, because 2081835 - 2² = 2081831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2081799 and 2081808.

It is not an unprimeable number, because it can be changed into a prime (2081831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157 + ... + 2046.

It is an arithmetic number, because the mean of its divisors is an integer number (132240).

2^2081835 is an apocalyptic number.

2081835 is an abundant number, since it is smaller than the sum of its proper divisors (2149845).

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

2081835 is a wasteful number, since it uses less digits than its factorization.

2081835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2081835 is about 1442.8565417255. The cubic root of 2081835 is about 127.6876130700.

It can be divided in two parts, 2081 and 835, that added together give a square (2916 = 54²).

The spelling of 2081835 in words is "two million, eighty-one thousand, eight hundred thirty-five".