2028019 has 4 divisors (see below), whose sum is σ = 2317744. Its totient is φ = 1738296.

The previous prime is 2028017. The next prime is 2028053. The reversal of 2028019 is 9108202.

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

It is not a de Polignac number, because 2028019 - 2¹ = 2028017 is a prime.

It is a super-2 number, since 2×2028019² = 8225722128722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144852 + ... + 144865.

It is an arithmetic number, because the mean of its divisors is an integer number (579436).

2^2028019 is an apocalyptic number.

2028019 is a deficient number, since it is larger than the sum of its proper divisors (289725).

2028019 is an equidigital number, since it uses as much as digits as its factorization.

2028019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289724.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2028019 is about 1424.0853204777. The cubic root of 2028019 is about 126.5777407547.

The spelling of 2028019 in words is "two million, twenty-eight thousand, nineteen".