2028685 has 8 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 1611600.

The previous prime is 2028679. The next prime is 2028701. The reversal of 2028685 is 5868202.

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

It is not a de Polignac number, because 2028685 - 2¹³ = 2020493 is a prime.

It is a Duffinian number.

2028685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 589 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (306432).

2^2028685 is an apocalyptic number.

It is an amenable number.

2028685 is a deficient number, since it is larger than the sum of its proper divisors (422771).

2028685 is a wasteful number, since it uses less digits than its factorization.

2028685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2028685 is about 1424.3191355872. The cubic root of 2028685 is about 126.5915952516.

The spelling of 2028685 in words is "two million, twenty-eight thousand, six hundred eighty-five".