442079 has 4 divisors (see below), whose sum is σ = 482280. Its totient is φ = 401880.

The previous prime is 442069. The next prime is 442097. The reversal of 442079 is 970244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442079 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 (442009) 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, 20084 + ... + 20105.

It is an arithmetic number, because the mean of its divisors is an integer number (120570).

2⁴⁴²⁰⁷⁹ is an apocalyptic number.

442079 is a deficient number, since it is larger than the sum of its proper divisors (40201).

442079 is a wasteful number, since it uses less digits than its factorization.

442079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40200.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 442079 is about 664.8902165019. The cubic root of 442079 is about 76.1786540375.

The spelling of 442079 in words is "four hundred forty-two thousand, seventy-nine".