2189085 has 16 divisors (see below), whose sum is σ = 3687360. Its totient is φ = 1105920.

The previous prime is 2189081. The next prime is 2189101. The reversal of 2189085 is 5809812.

It is a happy number.

2189085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2189085 - 2² = 2189081 is a prime.

2189085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3556 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (230460).

2^2189085 is an apocalyptic number.

It is an amenable number.

2189085 is a deficient number, since it is larger than the sum of its proper divisors (1498275).

2189085 is a wasteful number, since it uses less digits than its factorization.

2189085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2189085 is about 1479.5556765462. Note that the first 3 decimals coincide. The cubic root of 2189085 is about 129.8436977508.

The spelling of 2189085 in words is "two million, one hundred eighty-nine thousand, eighty-five".