2089081 has 4 divisors (see below), whose sum is σ = 2098512. Its totient is φ = 2079652.

The previous prime is 2089051. The next prime is 2089091. The reversal of 2089081 is 1809802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1809802 = 2 ⋅904901.

It is a cyclic number.

It is not a de Polignac number, because 2089081 - 2⁵ = 2089049 is a prime.

It is a super-2 number, since 2×2089081² = 8728518849122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089001) 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, 4375 + ... + 4828.

It is an arithmetic number, because the mean of its divisors is an integer number (524628).

2^2089081 is an apocalyptic number.

It is an amenable number.

2089081 is a deficient number, since it is larger than the sum of its proper divisors (9431).

2089081 is an equidigital number, since it uses as much as digits as its factorization.

2089081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2089081 is about 1445.3653517364. The cubic root of 2089081 is about 127.8355839827.

The spelling of 2089081 in words is "two million, eighty-nine thousand, eighty-one".