442027 has 2 divisors, whose sum is σ = 442028. Its totient is φ = 442026.

The previous prime is 442019. The next prime is 442031. The reversal of 442027 is 720244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442027 - 2³ = 442019 is a prime.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 441995 and 442013.

It is not a weakly prime, because it can be changed into another prime (442007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221013 + 221014.

It is an arithmetic number, because the mean of its divisors is an integer number (221014).

2⁴⁴²⁰²⁷ is an apocalyptic number.

442027 is a deficient number, since it is larger than the sum of its proper divisors (1).

442027 is an equidigital number, since it uses as much as digits as its factorization.

442027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 442027 is about 664.8511111520. The cubic root of 442027 is about 76.1756670560.

The spelling of 442027 in words is "four hundred forty-two thousand, twenty-seven", and thus it is an iban number.