2028395 has 4 divisors (see below), whose sum is σ = 2434080. Its totient is φ = 1622712.

The previous prime is 2028391. The next prime is 2028401. The reversal of 2028395 is 5938202.

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

It is a cyclic number.

It is not a de Polignac number, because 2028395 - 2² = 2028391 is a prime.

It is a super-2 number, since 2×2028395² = 8228772552050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028391) 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, 202835 + ... + 202844.

It is an arithmetic number, because the mean of its divisors is an integer number (608520).

2^2028395 is an apocalyptic number.

2028395 is a deficient number, since it is larger than the sum of its proper divisors (405685).

2028395 is an equidigital number, since it uses as much as digits as its factorization.

2028395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405684.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2028395 is about 1424.2173289214. The cubic root of 2028395 is about 126.5855628855.

The spelling of 2028395 in words is "two million, twenty-eight thousand, three hundred ninety-five".