442741 has 4 divisors (see below), whose sum is σ = 476812. Its totient is φ = 408672.

The previous prime is 442733. The next prime is 442747. The reversal of 442741 is 147244.

442741 = 470² + 471².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221841 + 220900 = 471^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 442741 - 2³ = 442733 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 (442747) 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, 17016 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (119203).

2⁴⁴²⁷⁴¹ is an apocalyptic number.

442741 is the 471-st centered square number.

It is an amenable number.

442741 is a deficient number, since it is larger than the sum of its proper divisors (34071).

442741 is a wasteful number, since it uses less digits than its factorization.

442741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34070.

The product of its digits is 896, while the sum is 22.

The square root of 442741 is about 665.3878568174. The cubic root of 442741 is about 76.2166601535.

Adding to 442741 its reverse (147244), we get a palindrome (589985).

The spelling of 442741 in words is "four hundred forty-two thousand, seven hundred forty-one", and thus it is an iban number.