442027717 has 2 divisors, whose sum is σ = 442027718. Its totient is φ = 442027716.

The previous prime is 442027699. The next prime is 442027741. The reversal of 442027717 is 717720244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441378081 + 649636 = 21009^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 442027717 - 2⁷ = 442027589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442027757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221013858 + 221013859.

It is an arithmetic number, because the mean of its divisors is an integer number (221013859).

Almost surely, 2^442027717 is an apocalyptic number.

It is an amenable number.

442027717 is a deficient number, since it is larger than the sum of its proper divisors (1).

442027717 is an equidigital number, since it uses as much as digits as its factorization.

442027717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 442027717 is about 21024.4552129181. The cubic root of 442027717 is about 761.7570824348.

The spelling of 442027717 in words is "four hundred forty-two million, twenty-seven thousand, seven hundred seventeen".