842618 has 16 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 357696.

The previous prime is 842617. The next prime is 842623. The reversal of 842618 is 816248.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842618.

It is not an unprimeable number, because it can be changed into a prime (842617) 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 7 ways as a sum of consecutive naturals, for example, 1730 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (91140).

2⁸⁴²⁶¹⁸ is an apocalyptic number.

842618 is a deficient number, since it is larger than the sum of its proper divisors (615622).

842618 is a wasteful number, since it uses less digits than its factorization.

842618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its digits is 3072, while the sum is 29.

The square root of 842618 is about 917.9422639796. The cubic root of 842618 is about 94.4518011442.

It can be divided in two parts, 84 and 2618, that multiplied together give a palindrome (219912).

The spelling of 842618 in words is "eight hundred forty-two thousand, six hundred eighteen".