2086321 has 2 divisors, whose sum is σ = 2086322. Its totient is φ = 2086320.

The previous prime is 2086303. The next prime is 2086339. The reversal of 2086321 is 1236802.

It is a balanced prime because it is at equal distance from previous prime (2086303) and next prime (2086339).

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 55696 = 1425^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086321 - 2¹¹ = 2084273 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2086292 and 2086301.

It is not a weakly prime, because it can be changed into another prime (2086351) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043160 + 1043161.

It is an arithmetic number, because the mean of its divisors is an integer number (1043161).

2^2086321 is an apocalyptic number.

It is an amenable number.

2086321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086321 is an equidigital number, since it uses as much as digits as its factorization.

2086321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2086321 is about 1444.4102602793. The cubic root of 2086321 is about 127.7792622946.

The spelling of 2086321 in words is "two million, eighty-six thousand, three hundred twenty-one".