2089847 has 2 divisors, whose sum is σ = 2089848. Its totient is φ = 2089846.

The previous prime is 2089831. The next prime is 2089853. The reversal of 2089847 is 7489802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2089847 - 2⁴ = 2089831 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2089847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044923 + 1044924.

It is an arithmetic number, because the mean of its divisors is an integer number (1044924).

2^2089847 is an apocalyptic number.

2089847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089847 is an equidigital number, since it uses as much as digits as its factorization.

2089847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2089847 is about 1445.6303123551. The cubic root of 2089847 is about 127.8512064967.

The spelling of 2089847 in words is "two million, eighty-nine thousand, eight hundred forty-seven".