2028785 has 8 divisors (see below), whose sum is σ = 2655936. Its totient is φ = 1475440.

The previous prime is 2028781. The next prime is 2028809. The reversal of 2028785 is 5878202.

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

It is not a de Polignac number, because 2028785 - 2² = 2028781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18389 + ... + 18498.

It is an arithmetic number, because the mean of its divisors is an integer number (331992).

2^2028785 is an apocalyptic number.

It is an amenable number.

2028785 is a deficient number, since it is larger than the sum of its proper divisors (627151).

2028785 is a wasteful number, since it uses less digits than its factorization.

2028785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36903.

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

The square root of 2028785 is about 1424.3542396469. The cubic root of 2028785 is about 126.5936752445.

The spelling of 2028785 in words is "two million, twenty-eight thousand, seven hundred eighty-five".