442452 has 12 divisors (see below), whose sum is σ = 1032416. Its totient is φ = 147480.

The previous prime is 442447. The next prime is 442457. The reversal of 442452 is 254244.

It is an interprime number because it is at equal distance from previous prime (442447) and next prime (442457).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18424 + ... + 18447.

2⁴⁴²⁴⁵² is an apocalyptic number.

It is an amenable number.

442452 is an abundant number, since it is smaller than the sum of its proper divisors (589964).

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

442452 is a wasteful number, since it uses less digits than its factorization.

442452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36878 (or 36876 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 442452 is about 665.1706547947. The cubic root of 442452 is about 76.2000730223.

Adding to 442452 its reverse (254244), we get a palindrome (696696).

The spelling of 442452 in words is "four hundred forty-two thousand, four hundred fifty-two".