442732 has 12 divisors (see below), whose sum is σ = 780976. Its totient is φ = 219600.

The previous prime is 442721. The next prime is 442733. The reversal of 442732 is 237244.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 4² + 4⁵ + 7⁴ + 2¹⁷ + 3¹¹ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (442733) by changing a digit.

442732 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, 238 + ... + 970.

2⁴⁴²⁷³² is an apocalyptic number.

It is an amenable number.

442732 is a deficient number, since it is larger than the sum of its proper divisors (338244).

442732 is a wasteful number, since it uses less digits than its factorization.

442732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 886 counting only the distinct ones).

The product of its digits is 1344, while the sum is 22.

The square root of 442732 is about 665.3810938102. The cubic root of 442732 is about 76.2161437081.

Adding to 442732 its reverse (237244), we get a palindrome (679976).

The spelling of 442732 in words is "four hundred forty-two thousand, seven hundred thirty-two".