842894 has 16 divisors (see below), whose sum is σ = 1442448. Its totient is φ = 365952.

The previous prime is 842887. The next prime is 842923. The reversal of 842894 is 498248.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842894.

It is an unprimeable number.

842894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 512 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (90153).

2⁸⁴²⁸⁹⁴ is an apocalyptic number.

842894 is a deficient number, since it is larger than the sum of its proper divisors (599554).

842894 is a wasteful number, since it uses less digits than its factorization.

842894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939.

The product of its digits is 18432, while the sum is 35.

The square root of 842894 is about 918.0925879235. The cubic root of 842894 is about 94.4621125987.

The spelling of 842894 in words is "eight hundred forty-two thousand, eight hundred ninety-four".