442293 has 8 divisors (see below), whose sum is σ = 592800. Its totient is φ = 293328.

The previous prime is 442291. The next prime is 442319. The reversal of 442293 is 392244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442293 - 2¹ = 442291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (74100).

2⁴⁴²²⁹³ is an apocalyptic number.

It is an amenable number.

442293 is a deficient number, since it is larger than the sum of its proper divisors (150507).

442293 is a wasteful number, since it uses less digits than its factorization.

442293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its digits is 1728, while the sum is 24.

The square root of 442293 is about 665.0511258542. The cubic root of 442293 is about 76.1909441502.

The spelling of 442293 in words is "four hundred forty-two thousand, two hundred ninety-three".