2028587 has 4 divisors (see below), whose sum is σ = 2213016. Its totient is φ = 1844160.

The previous prime is 2028581. The next prime is 2028589. The reversal of 2028587 is 7858202.

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

It is a cyclic number.

It is not a de Polignac number, because 2028587 - 2¹⁴ = 2012203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028581) 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 3 ways as a sum of consecutive naturals, for example, 92198 + ... + 92219.

It is an arithmetic number, because the mean of its divisors is an integer number (553254).

2^2028587 is an apocalyptic number.

2028587 is a deficient number, since it is larger than the sum of its proper divisors (184429).

2028587 is a wasteful number, since it uses less digits than its factorization.

2028587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184428.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2028587 is about 1424.2847327694. The cubic root of 2028587 is about 126.5895567922.

The spelling of 2028587 in words is "two million, twenty-eight thousand, five hundred eighty-seven".