2086969 has 2 divisors, whose sum is σ = 2086970. Its totient is φ = 2086968.

The previous prime is 2086957. The next prime is 2087011. The reversal of 2086969 is 9696802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 344569 = 1320^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086969 - 2⁷ = 2086841 is a prime.

It is a super-2 number, since 2×2086969² = 8710879213922, which contains 22 as substring.

2086969 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2086939) 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, 1043484 + 1043485.

It is an arithmetic number, because the mean of its divisors is an integer number (1043485).

2^2086969 is an apocalyptic number.

It is an amenable number.

2086969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086969 is an equidigital number, since it uses as much as digits as its factorization.

2086969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2086969 is about 1444.6345558653. The cubic root of 2086969 is about 127.7924901074.

The spelling of 2086969 in words is "two million, eighty-six thousand, nine hundred sixty-nine".