2089697 has 2 divisors, whose sum is σ = 2089698. Its totient is φ = 2089696.

The previous prime is 2089693. The next prime is 2089727. The reversal of 2089697 is 7969802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1957201 + 132496 = 1399^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089697 - 2² = 2089693 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2089693) 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, 1044848 + 1044849.

It is an arithmetic number, because the mean of its divisors is an integer number (1044849).

2^2089697 is an apocalyptic number.

It is an amenable number.

2089697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089697 is an equidigital number, since it uses as much as digits as its factorization.

2089697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 2089697 is about 1445.5784309404. The cubic root of 2089697 is about 127.8481475582.

The spelling of 2089697 in words is "two million, eighty-nine thousand, six hundred ninety-seven".