442767 has 8 divisors (see below), whose sum is σ = 635824. Its totient is φ = 272448.

The previous prime is 442763. The next prime is 442769. The reversal of 442767 is 767244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442767 - 2² = 442763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5638 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (79478).

2⁴⁴²⁷⁶⁷ is an apocalyptic number.

442767 is a deficient number, since it is larger than the sum of its proper divisors (193057).

442767 is a wasteful number, since it uses less digits than its factorization.

442767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369.

The product of its digits is 9408, while the sum is 30.

The square root of 442767 is about 665.4073940076. The cubic root of 442767 is about 76.2181520674.

The spelling of 442767 in words is "four hundred forty-two thousand, seven hundred sixty-seven".