2028717 has 12 divisors (see below), whose sum is σ = 2942784. Its totient is φ = 1346760.

The previous prime is 2028713. The next prime is 2028749. The reversal of 2028717 is 7178202.

It is not a de Polignac number, because 2028717 - 2² = 2028713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3618 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (245232).

2^2028717 is an apocalyptic number.

It is an amenable number.

2028717 is a deficient number, since it is larger than the sum of its proper divisors (914067).

2028717 is a wasteful number, since it uses less digits than its factorization.

2028717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2028717 is about 1424.3303689805. The cubic root of 2028717 is about 126.5922608568.

The spelling of 2028717 in words is "two million, twenty-eight thousand, seven hundred seventeen".