2834809 has 4 divisors (see below), whose sum is σ = 2873716. Its totient is φ = 2795904.

The previous prime is 2834807. The next prime is 2834813. The reversal of 2834809 is 9084382.

2834809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9084382 = 2 ⋅4542191.

It can be written as a sum of positive squares in 2 ways, for example, as 1071225 + 1763584 = 1035^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 2834809 - 2¹ = 2834807 is a prime.

It is a super-2 number, since 2×2834809² = 16072284132962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2834807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19344 + ... + 19489.

It is an arithmetic number, because the mean of its divisors is an integer number (718429).

2^2834809 is an apocalyptic number.

It is an amenable number.

2834809 is a deficient number, since it is larger than the sum of its proper divisors (38907).

2834809 is an equidigital number, since it uses as much as digits as its factorization.

2834809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38906.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2834809 is about 1683.6891043183. The cubic root of 2834809 is about 141.5276409270.

The spelling of 2834809 in words is "two million, eight hundred thirty-four thousand, eight hundred nine".