442956 has 12 divisors (see below), whose sum is σ = 1033592. Its totient is φ = 147648.

The previous prime is 442919. The next prime is 442961. The reversal of 442956 is 659244.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

442956 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 3 ways as a sum of consecutive naturals, for example, 18445 + ... + 18468.

2⁴⁴²⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

442956 is an abundant number, since it is smaller than the sum of its proper divisors (590636).

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

442956 is a wasteful number, since it uses less digits than its factorization.

442956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36920 (or 36918 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 442956 is about 665.5493971149. The cubic root of 442956 is about 76.2289953789.

The spelling of 442956 in words is "four hundred forty-two thousand, nine hundred fifty-six".