442782 has 24 divisors (see below), whose sum is σ = 1016496. Its totient is φ = 138816.

The previous prime is 442781. The next prime is 442789. The reversal of 442782 is 287244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (42354).

2⁴⁴²⁷⁸² is an apocalyptic number.

442782 is an abundant number, since it is smaller than the sum of its proper divisors (573714).

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

442782 is a wasteful number, since it uses less digits than its factorization.

442782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1469 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 442782 is about 665.4186652026. The cubic root of 442782 is about 76.2190127604.

The spelling of 442782 in words is "four hundred forty-two thousand, seven hundred eighty-two".