2089855 has 8 divisors (see below), whose sum is σ = 2561472. Its totient is φ = 1636128.

The previous prime is 2089853. The next prime is 2089859. The reversal of 2089855 is 5589802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2089855 - 2¹ = 2089853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089853) 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 in 7 ways as a sum of consecutive naturals, for example, 4212 + ... + 4681.

It is an arithmetic number, because the mean of its divisors is an integer number (320184).

2^2089855 is an apocalyptic number.

2089855 is a deficient number, since it is larger than the sum of its proper divisors (471617).

2089855 is an equidigital number, since it uses as much as digits as its factorization.

2089855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8945.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2089855 is about 1445.6330793116. The cubic root of 2089855 is about 127.8513696359.

The spelling of 2089855 in words is "two million, eighty-nine thousand, eight hundred fifty-five".