442941 has 4 divisors (see below), whose sum is σ = 590592. Its totient is φ = 295292.

The previous prime is 442919. The next prime is 442961. The reversal of 442941 is 149244.

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 442941 - 2¹¹ = 440893 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

442941 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 442941.

It is not an unprimeable number, because it can be changed into a prime (442961) 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, 73821 + ... + 73826.

It is an arithmetic number, because the mean of its divisors is an integer number (147648).

2⁴⁴²⁹⁴¹ is an apocalyptic number.

It is an amenable number.

442941 is a deficient number, since it is larger than the sum of its proper divisors (147651).

442941 is a wasteful number, since it uses less digits than its factorization.

442941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147650.

The product of its digits is 1152, while the sum is 24.

The square root of 442941 is about 665.5381281339. The cubic root of 442941 is about 76.2281349114.

The spelling of 442941 in words is "four hundred forty-two thousand, nine hundred forty-one".