2089843 has 16 divisors (see below), whose sum is σ = 2509056. Its totient is φ = 1703520.

The previous prime is 2089831. The next prime is 2089847. The reversal of 2089843 is 3489802.

It is a de Polignac number, because none of the positive numbers 2^k-2089843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2089799 and 2089808.

It is not an unprimeable number, because it can be changed into a prime (2089847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15888 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (156816).

2^2089843 is an apocalyptic number.

2089843 is a deficient number, since it is larger than the sum of its proper divisors (419213).

2089843 is a wasteful number, since it uses less digits than its factorization.

2089843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234.

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

The square root of 2089843 is about 1445.6289288749. The cubic root of 2089843 is about 127.8511249269.

The spelling of 2089843 in words is "two million, eighty-nine thousand, eight hundred forty-three".