442086 has 8 divisors (see below), whose sum is σ = 884184. Its totient is φ = 147360.

The previous prime is 442069. The next prime is 442097. The reversal of 442086 is 680244.

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

442086 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 36835 + ... + 36846.

It is an arithmetic number, because the mean of its divisors is an integer number (110523).

2⁴⁴²⁰⁸⁶ is an apocalyptic number.

442086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442086 is a wasteful number, since it uses less digits than its factorization.

442086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73686.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 442086 is about 664.8954805080. The cubic root of 442086 is about 76.1790561132.

The spelling of 442086 in words is "four hundred forty-two thousand, eighty-six".