2028443 has 2 divisors, whose sum is σ = 2028444. Its totient is φ = 2028442.

The previous prime is 2028431. The next prime is 2028461. The reversal of 2028443 is 3448202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2028443 is a prime.

It is a super-2 number, since 2×2028443² = 8229162008498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2028413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014221 + 1014222.

It is an arithmetic number, because the mean of its divisors is an integer number (1014222).

2^2028443 is an apocalyptic number.

2028443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028443 is an equidigital number, since it uses as much as digits as its factorization.

2028443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2028443 is about 1424.2341801825. The cubic root of 2028443 is about 126.5865613858.

The spelling of 2028443 in words is "two million, twenty-eight thousand, four hundred forty-three".