2028003 has 16 divisors (see below), whose sum is σ = 2910720. Its totient is φ = 1251936.

The previous prime is 2027959. The next prime is 2028017. The reversal of 2028003 is 3008202.

It is not a de Polignac number, because 2028003 - 2⁸ = 2027747 is a prime.

It is a super-2 number, since 2×2028003² = 8225592336018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2301 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (181920).

2^2028003 is an apocalyptic number.

2028003 is a deficient number, since it is larger than the sum of its proper divisors (882717).

2028003 is a wasteful number, since it uses less digits than its factorization.

2028003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2028003 is about 1424.0797028257. The cubic root of 2028003 is about 126.5774078766.

It can be divided in two parts, 202800 and 3, that multiplied together give a square (608400 = 780²).

The spelling of 2028003 in words is "two million, twenty-eight thousand, three".