442046 has 16 divisors (see below), whose sum is σ = 736128. Its totient is φ = 197400.

The previous prime is 442033. The next prime is 442061. The reversal of 442046 is 640244.

It is a super-2 number, since 2×442046² = 390809332232, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

442046 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (46008).

2⁴⁴²⁰⁴⁶ is an apocalyptic number.

442046 is a deficient number, since it is larger than the sum of its proper divisors (294082).

442046 is a wasteful number, since it uses less digits than its factorization.

442046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442046 is about 664.8653999119. The cubic root of 442046 is about 76.1767584802.

The spelling of 442046 in words is "four hundred forty-two thousand, forty-six".