2028711 has 8 divisors (see below), whose sum is σ = 2717680. Its totient is φ = 1346112.

The previous prime is 2028707. The next prime is 2028713. The reversal of 2028711 is 1178202.

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

It is not a de Polignac number, because 2028711 - 2² = 2028707 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 790 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (339710).

2^2028711 is an apocalyptic number.

2028711 is a deficient number, since it is larger than the sum of its proper divisors (688969).

2028711 is a wasteful number, since it uses less digits than its factorization.

2028711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 2028711 is about 1424.3282627260. The cubic root of 2028711 is about 126.5921360563.

The spelling of 2028711 in words is "two million, twenty-eight thousand, seven hundred eleven".