442693 has 4 divisors (see below), whose sum is σ = 452160. Its totient is φ = 433228.

The previous prime is 442691. The next prime is 442699. The reversal of 442693 is 396244.

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 442693 - 2¹ = 442691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4663 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (113040).

2⁴⁴²⁶⁹³ is an apocalyptic number.

It is an amenable number.

442693 is a deficient number, since it is larger than the sum of its proper divisors (9467).

442693 is an equidigital number, since it uses as much as digits as its factorization.

442693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9466.

The product of its digits is 5184, while the sum is 28.

The square root of 442693 is about 665.3517866512. The cubic root of 442693 is about 76.2139056974.

The spelling of 442693 in words is "four hundred forty-two thousand, six hundred ninety-three".