2086901 has 2 divisors, whose sum is σ = 2086902. Its totient is φ = 2086900.

The previous prime is 2086879. The next prime is 2086907. The reversal of 2086901 is 1096802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1267876 + 819025 = 1126^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086901 - 2¹⁴ = 2070517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086907) 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, 1043450 + 1043451.

It is an arithmetic number, because the mean of its divisors is an integer number (1043451).

2^2086901 is an apocalyptic number.

It is an amenable number.

2086901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086901 is an equidigital number, since it uses as much as digits as its factorization.

2086901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2086901 is about 1444.6110203096. The cubic root of 2086901 is about 127.7911021322.

Subtracting from 2086901 its reverse (1096802), we obtain a palindrome (990099).

The spelling of 2086901 in words is "two million, eighty-six thousand, nine hundred one".