842441 has 8 divisors (see below), whose sum is σ = 897600. Its totient is φ = 788400.

The previous prime is 842423. The next prime is 842447. The reversal of 842441 is 144248.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (842447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (112200).

2⁸⁴²⁴⁴¹ is an apocalyptic number.

It is an amenable number.

842441 is a deficient number, since it is larger than the sum of its proper divisors (55159).

842441 is a wasteful number, since it uses less digits than its factorization.

842441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559.

The product of its digits is 1024, while the sum is 23.

The square root of 842441 is about 917.8458476237. The cubic root of 842441 is about 94.4451871786.

Adding to 842441 its reverse (144248), we get a palindrome (986689).

The spelling of 842441 in words is "eight hundred forty-two thousand, four hundred forty-one".