842863 has 6 divisors (see below), whose sum is σ = 966056. Its totient is φ = 720372.

The previous prime is 842857. The next prime is 842869. The reversal of 842863 is 368248.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (842857) and next prime (842869).

It is not a de Polignac number, because 842863 - 2⁹ = 842351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2256 + ... + 2602.

2⁸⁴²⁸⁶³ is an apocalyptic number.

842863 is a deficient number, since it is larger than the sum of its proper divisors (123193).

842863 is an frugal number, since it uses more digits than its factorization.

It is an anagram of its base 13 representation: 842863 = (236848)₁₃.

842863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 354 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 842863 is about 918.0757049394. The cubic root of 842863 is about 94.4609545403.

The spelling of 842863 in words is "eight hundred forty-two thousand, eight hundred sixty-three".