2833861 has 4 divisors (see below), whose sum is σ = 2838924. Its totient is φ = 2828800.

The previous prime is 2833843. The next prime is 2833889. The reversal of 2833861 is 1683382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1683382 = 2 ⋅841691.

It can be written as a sum of positive squares in 2 ways, for example, as 2461761 + 372100 = 1569^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2833861 - 2¹⁷ = 2702789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2833801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (709731).

2^2833861 is an apocalyptic number.

It is an amenable number.

2833861 is a deficient number, since it is larger than the sum of its proper divisors (5063).

2833861 is an equidigital number, since it uses as much as digits as its factorization.

2833861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062.

The product of its digits is 6912, while the sum is 31.

The square root of 2833861 is about 1683.4075561194. The cubic root of 2833861 is about 141.5118628902.

The spelling of 2833861 in words is "two million, eight hundred thirty-three thousand, eight hundred sixty-one".