2028115 has 16 divisors (see below), whose sum is σ = 2566080. Its totient is φ = 1536640.

The previous prime is 2028109. The next prime is 2028119. The reversal of 2028115 is 5118202.

It is not a de Polignac number, because 2028115 - 2³ = 2028107 is a prime.

It is a super-2 number, since 2×2028115² = 8226500906450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2028092 and 2028101.

It is not an unprimeable number, because it can be changed into a prime (2028119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10197 + ... + 10393.

It is an arithmetic number, because the mean of its divisors is an integer number (160380).

2^2028115 is an apocalyptic number.

2028115 is a deficient number, since it is larger than the sum of its proper divisors (537965).

2028115 is a wasteful number, since it uses less digits than its factorization.

2028115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2028115 is about 1424.1190259244. The cubic root of 2028115 is about 126.5797379864.

The spelling of 2028115 in words is "two million, twenty-eight thousand, one hundred fifteen".