2084389 has 2 divisors, whose sum is σ = 2084390. Its totient is φ = 2084388.

The previous prime is 2084359. The next prime is 2084393. The reversal of 2084389 is 9834802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 722500 = 1167^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2084389 - 2¹¹ = 2082341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2084359) 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 as a sum of consecutive naturals, namely, 1042194 + 1042195.

It is an arithmetic number, because the mean of its divisors is an integer number (1042195).

2^2084389 is an apocalyptic number.

It is an amenable number.

2084389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2084389 is an equidigital number, since it uses as much as digits as its factorization.

2084389 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2084389 is about 1443.7413203202. The cubic root of 2084389 is about 127.7398075515.

The spelling of 2084389 in words is "two million, eighty-four thousand, three hundred eighty-nine".