2089321 has 8 divisors (see below), whose sum is σ = 2265480. Its totient is φ = 1915392.

The previous prime is 2089303. The next prime is 2089357. The reversal of 2089321 is 1239802.

It can be written as a sum of positive squares in 4 ways, for example, as 27225 + 2062096 = 165^2 + 1436^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2089321 - 2¹³ = 2081129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089361) 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 7 ways as a sum of consecutive naturals, for example, 1785 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (283185).

2^2089321 is an apocalyptic number.

It is an amenable number.

2089321 is a deficient number, since it is larger than the sum of its proper divisors (176159).

2089321 is a wasteful number, since it uses less digits than its factorization.

2089321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2089321 is about 1445.4483733430. The cubic root of 2089321 is about 127.8404791759.

The spelling of 2089321 in words is "two million, eighty-nine thousand, three hundred twenty-one".