2085489 has 18 divisors (see below), whose sum is σ = 3504930. Its totient is φ = 1191456.

The previous prime is 2085487. The next prime is 2085493. The reversal of 2085489 is 9845802.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 893025 = 1092^2 + 945^2 .

It is not a de Polignac number, because 2085489 - 2¹ = 2085487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2085481) 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 in 17 ways as a sum of consecutive naturals, for example, 1924 + ... + 2805.

2^2085489 is an apocalyptic number.

It is an amenable number.

2085489 is a deficient number, since it is larger than the sum of its proper divisors (1419441).

2085489 is a wasteful number, since it uses less digits than its factorization.

2085489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749 (or 4739 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2085489 is about 1444.1222247442. The cubic root of 2085489 is about 127.7622744195.

The spelling of 2085489 in words is "two million, eighty-five thousand, four hundred eighty-nine".