2089655 has 4 divisors (see below), whose sum is σ = 2507592. Its totient is φ = 1671720.

The previous prime is 2089651. The next prime is 2089669. The reversal of 2089655 is 5569802.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2089655 - 2² = 2089651 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 (2089651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208961 + ... + 208970.

It is an arithmetic number, because the mean of its divisors is an integer number (626898).

2^2089655 is an apocalyptic number.

2089655 is a deficient number, since it is larger than the sum of its proper divisors (417937).

2089655 is an equidigital number, since it uses as much as digits as its factorization.

2089655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417936.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2089655 is about 1445.5639038106. The cubic root of 2089655 is about 127.8472910293.

It can be divided in two parts, 2089 and 655, that added together give a cube (2744 = 14³).

The spelling of 2089655 in words is "two million, eighty-nine thousand, six hundred fifty-five".