2028943 has 12 divisors (see below), whose sum is σ = 2413152. Its totient is φ = 1700160.

The previous prime is 2028941. The next prime is 2028947. The reversal of 2028943 is 3498202.

It is not a de Polignac number, because 2028943 - 2¹ = 2028941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1863 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

2^2028943 is an apocalyptic number.

2028943 is a deficient number, since it is larger than the sum of its proper divisors (384209).

2028943 is an equidigital number, since it uses as much as digits as its factorization.

2028943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2028943 is about 1424.4097022978. The cubic root of 2028943 is about 126.5969614941.

The spelling of 2028943 in words is "two million, twenty-eight thousand, nine hundred forty-three".