442066 has 8 divisors (see below), whose sum is σ = 673200. Its totient is φ = 217668.

The previous prime is 442061. The next prime is 442069. The reversal of 442066 is 660244.

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

It is not an unprimeable number, because it can be changed into a prime (442061) 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, 1516 + ... + 1783.

It is an arithmetic number, because the mean of its divisors is an integer number (84150).

2⁴⁴²⁰⁶⁶ is an apocalyptic number.

442066 is a deficient number, since it is larger than the sum of its proper divisors (231134).

442066 is a wasteful number, since it uses less digits than its factorization.

442066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 442066 is about 664.8804403801. The cubic root of 442066 is about 76.1779073141.

The spelling of 442066 in words is "four hundred forty-two thousand, sixty-six".