442304017 has 4 divisors (see below), whose sum is σ = 442364416. Its totient is φ = 442243620.

The previous prime is 442304003. The next prime is 442304029. The reversal of 442304017 is 710403244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442304017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442303982 and 442304000.

It is not an unprimeable number, because it can be changed into a prime (442304087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17409 + ... + 34462.

It is an arithmetic number, because the mean of its divisors is an integer number (110591104).

Almost surely, 2^442304017 is an apocalyptic number.

It is an amenable number.

442304017 is a deficient number, since it is larger than the sum of its proper divisors (60399).

442304017 is an equidigital number, since it uses as much as digits as its factorization.

442304017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60398.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 442304017 is about 21031.0251057812. The cubic root of 442304017 is about 761.9157675393.

The spelling of 442304017 in words is "four hundred forty-two million, three hundred four thousand, seventeen".