2028195 has 24 divisors (see below), whose sum is σ = 3787056. Its totient is φ = 998208.

The previous prime is 2028179. The next prime is 2028197. The reversal of 2028195 is 5918202.

It is not a de Polignac number, because 2028195 - 2⁴ = 2028179 is a prime.

It is a super-2 number, since 2×2028195² = 8227149916050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028197) 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 23 ways as a sum of consecutive naturals, for example, 1149 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (157794).

2^2028195 is an apocalyptic number.

2028195 is a deficient number, since it is larger than the sum of its proper divisors (1758861).

2028195 is a wasteful number, since it uses less digits than its factorization.

2028195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2028195 is about 1424.1471131874. The cubic root of 2028195 is about 126.5814022979.

The spelling of 2028195 in words is "two million, twenty-eight thousand, one hundred ninety-five".