442484 has 12 divisors (see below), whose sum is σ = 885024. Its totient is φ = 189624.

The previous prime is 442469. The next prime is 442487. The reversal of 442484 is 484244.

442484 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442487) by changing a digit.

442484 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, 7874 + ... + 7929.

It is an arithmetic number, because the mean of its divisors is an integer number (73752).

2⁴⁴²⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

442484 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.

442484 is a wasteful number, since it uses less digits than its factorization.

442484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814 (or 15812 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 442484 is about 665.1947083373. The cubic root of 442484 is about 76.2019100152.

The spelling of 442484 in words is "four hundred forty-two thousand, four hundred eighty-four".