442446 has 16 divisors (see below), whose sum is σ = 909264. Its totient is φ = 143424.

The previous prime is 442439. The next prime is 442447. The reversal of 442446 is 644244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442447) 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, 775 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (56829).

2⁴⁴²⁴⁴⁶ is an apocalyptic number.

442446 is an abundant number, since it is smaller than the sum of its proper divisors (466818).

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

442446 is a wasteful number, since it uses less digits than its factorization.

442446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035.

The product of its digits is 3072, while the sum is 24.

The square root of 442446 is about 665.1661446586. The cubic root of 442446 is about 76.1997285763.

It can be divided in two parts, 442 and 446, that added together give a palindrome (888).

The spelling of 442446 in words is "four hundred forty-two thousand, four hundred forty-six".