442750 has 64 divisors (see below), whose sum is σ = 1078272. Its totient is φ = 132000.

The previous prime is 442747. The next prime is 442753. The reversal of 442750 is 57244.

It is an interprime number because it is at equal distance from previous prime (442747) and next prime (442753).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19239 + ... + 19261.

It is an arithmetic number, because the mean of its divisors is an integer number (16848).

2⁴⁴²⁷⁵⁰ is an apocalyptic number.

442750 is an abundant number, since it is smaller than the sum of its proper divisors (635522).

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

442750 is a wasteful number, since it uses less digits than its factorization.

442750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 442750 is about 665.3946197558. The cubic root of 442750 is about 76.2171765918.

Adding to 442750 its reverse (57244), we get a palindrome (499994).

The spelling of 442750 in words is "four hundred forty-two thousand, seven hundred fifty".