2091833 has 4 divisors (see below), whose sum is σ = 2214900. Its totient is φ = 1968768.

The previous prime is 2091809. The next prime is 2091839. The reversal of 2091833 is 3381902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 727609 = 1168^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 2091833 - 2⁶ = 2091769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2091839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61508 + ... + 61541.

It is an arithmetic number, because the mean of its divisors is an integer number (553725).

2^2091833 is an apocalyptic number.

It is an amenable number.

2091833 is a deficient number, since it is larger than the sum of its proper divisors (123067).

2091833 is a wasteful number, since it uses less digits than its factorization.

2091833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123066.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2091833 is about 1446.3170468469. The cubic root of 2091833 is about 127.8916930501.

The spelling of 2091833 in words is "two million, ninety-one thousand, eight hundred thirty-three".