842934 has 16 divisors (see below), whose sum is σ = 1731888. Its totient is φ = 273312.

The previous prime is 842923. The next prime is 842939. The reversal of 842934 is 439248.

It is a happy number.

It is a Curzon 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 842934.

It is not an unprimeable number, because it can be changed into a prime (842939) by changing a digit.

842934 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (108243).

2⁸⁴²⁹³⁴ is an apocalyptic number.

842934 is an abundant number, since it is smaller than the sum of its proper divisors (888954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842934 is a wasteful number, since it uses less digits than its factorization.

842934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

The product of its digits is 6912, while the sum is 30.

The square root of 842934 is about 918.1143719603. The cubic root of 842934 is about 94.4636068256.

The spelling of 842934 in words is "eight hundred forty-two thousand, nine hundred thirty-four".