2089191 has 8 divisors (see below), whose sum is σ = 2999920. Its totient is φ = 1285632.

The previous prime is 2089177. The next prime is 2089211. The reversal of 2089191 is 1919802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2089191 - 2⁹ = 2088679 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26746 + ... + 26823.

It is an arithmetic number, because the mean of its divisors is an integer number (374990).

2^2089191 is an apocalyptic number.

2089191 is a deficient number, since it is larger than the sum of its proper divisors (910729).

2089191 is a wasteful number, since it uses less digits than its factorization.

2089191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53585.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 2089191 is about 1445.4034038980. The cubic root of 2089191 is about 127.8378276594.

The spelling of 2089191 in words is "two million, eighty-nine thousand, one hundred ninety-one".