842411 has 4 divisors (see below), whose sum is σ = 850392. Its totient is φ = 834432.

The previous prime is 842407. The next prime is 842417. The reversal of 842411 is 114248.

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

It is a cyclic number.

It is not a de Polignac number, because 842411 - 2² = 842407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842417) 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, 3830 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (212598).

2⁸⁴²⁴¹¹ is an apocalyptic number.

842411 is a deficient number, since it is larger than the sum of its proper divisors (7981).

842411 is a wasteful number, since it uses less digits than its factorization.

842411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980.

The product of its digits is 256, while the sum is 20.

The square root of 842411 is about 917.8295048646. The cubic root of 842411 is about 94.4440660756. Note that the first 3 decimals are identical.

Adding to 842411 its reverse (114248), we get a palindrome (956659).

The spelling of 842411 in words is "eight hundred forty-two thousand, four hundred eleven".