28443067 has 2 divisors, whose sum is σ = 28443068. Its totient is φ = 28443066.

The previous prime is 28443059. The next prime is 28443071. The reversal of 28443067 is 76034482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28443067 - 2³ = 28443059 is a prime.

It is not a weakly prime, because it can be changed into another prime (28443007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14221533 + 14221534.

It is an arithmetic number, because the mean of its divisors is an integer number (14221534).

Almost surely, 2^28443067 is an apocalyptic number.

28443067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28443067 is an equidigital number, since it uses as much as digits as its factorization.

28443067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 28443067 is about 5333.2041963533. The cubic root of 28443067 is about 305.2522038297.

The spelling of 28443067 in words is "twenty-eight million, four hundred forty-three thousand, sixty-seven".