2086397 has 2 divisors, whose sum is σ = 2086398. Its totient is φ = 2086396.

The previous prime is 2086363. The next prime is 2086421. The reversal of 2086397 is 7936802.

2086397 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1976836 + 109561 = 1406^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086397 - 2⁸ = 2086141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043198 + 1043199.

It is an arithmetic number, because the mean of its divisors is an integer number (1043199).

2^2086397 is an apocalyptic number.

It is an amenable number.

2086397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086397 is an equidigital number, since it uses as much as digits as its factorization.

2086397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2086397 is about 1444.4365683546. The cubic root of 2086397 is about 127.7808138465.

The spelling of 2086397 in words is "two million, eighty-six thousand, three hundred ninety-seven".