442037 has 4 divisors (see below), whose sum is σ = 461280. Its totient is φ = 422796.

The previous prime is 442033. The next prime is 442061. The reversal of 442037 is 730244.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442037 - 2² = 442033 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9587 + ... + 9632.

It is an arithmetic number, because the mean of its divisors is an integer number (115320).

2⁴⁴²⁰³⁷ is an apocalyptic number.

It is an amenable number.

442037 is a deficient number, since it is larger than the sum of its proper divisors (19243).

442037 is a wasteful number, since it uses less digits than its factorization.

442037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19242.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 442037 is about 664.8586315902. The cubic root of 442037 is about 76.1762414937.

The spelling of 442037 in words is "four hundred forty-two thousand, thirty-seven".